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225041022 = 23225748647
BaseRepresentation
bin11010110100111…
…01101001111110
3120200110021020200
431122131221332
5430102303042
634155224330
75401550163
oct1532355176
9520407220
10225041022
11106036718
12634480a6
133781408b
1421c6006a
1514b53c4c
hexd69da7e

225041022 has 24 divisors (see below), whose sum is σ = 489496176. Its totient is φ = 74720256.

The previous prime is 225040999. The next prime is 225041023. The reversal of 225041022 is 220140522.

225041022 is a `hidden beast` number, since 2 + 250 + 410 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 225040986 and 225041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225041023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19698 + ... + 28949.

It is an arithmetic number, because the mean of its divisors is an integer number (20395674).

Almost surely, 2225041022 is an apocalyptic number.

225041022 is an abundant number, since it is smaller than the sum of its proper divisors (264455154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225041022 is a wasteful number, since it uses less digits than its factorization.

225041022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48912 (or 48909 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 225041022 is about 15001.3673376796. The cubic root of 225041022 is about 608.2571608801.

Adding to 225041022 its reverse (220140522), we get a palindrome (445181544).

The spelling of 225041022 in words is "two hundred twenty-five million, forty-one thousand, twenty-two".

Divisors: 1 2 3 6 9 18 257 514 771 1542 2313 4626 48647 97294 145941 291882 437823 875646 12502279 25004558 37506837 75013674 112520511 225041022