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222141243 = 374047081
BaseRepresentation
bin11010011110110…
…01101100111011
3120110222221111110
431033121230323
5423332004433
634013131403
75335112052
oct1517315473
9513887443
10222141243
11104436005
1262489b63
133703a22c
1421707399
151477e963
hexd3d9b3b

222141243 has 4 divisors (see below), whose sum is σ = 296188328. Its totient is φ = 148094160.

The previous prime is 222141211. The next prime is 222141251. The reversal of 222141243 is 342141222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222141243 - 25 = 222141211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222141743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37023538 + ... + 37023543.

It is an arithmetic number, because the mean of its divisors is an integer number (74047082).

Almost surely, 2222141243 is an apocalyptic number.

222141243 is a deficient number, since it is larger than the sum of its proper divisors (74047085).

222141243 is an equidigital number, since it uses as much as digits as its factorization.

222141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74047084.

The product of its digits is 768, while the sum is 21.

The square root of 222141243 is about 14904.4034768252. The cubic root of 222141243 is about 605.6332808324.

Subtracting from 222141243 its sum of digits (21), we obtain a palindrome (222141222).

Adding to 222141243 its reverse (342141222), we get a palindrome (564282465).

The spelling of 222141243 in words is "two hundred twenty-two million, one hundred forty-one thousand, two hundred forty-three".

Divisors: 1 3 74047081 222141243