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2223022122 = 232179689951
BaseRepresentation
bin1000010010000000…
…1010000000101010
312201221000020001200
42010200022000222
514023043201442
61004331025030
7106042243026
oct20440120052
95657006050
102223022122
11a40924472
1252059b176
13295732509
14171351386
15d026834c
hex8480a02a

2223022122 has 24 divisors (see below), whose sum is σ = 4843463040. Its totient is φ = 736866600.

The previous prime is 2223022103. The next prime is 2223022133. The reversal of 2223022122 is 2212203222.

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 = 2223022095 and 2223022104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341754 + ... + 348197.

It is an arithmetic number, because the mean of its divisors is an integer number (201810960).

Almost surely, 22223022122 is an apocalyptic number.

2223022122 is an abundant number, since it is smaller than the sum of its proper divisors (2620440918).

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

2223022122 is a wasteful number, since it uses less digits than its factorization.

2223022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690138 (or 690135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2223022122 is about 47148.9355341136. The cubic root of 2223022122 is about 1305.1124366945.

Adding to 2223022122 its reverse (2212203222), we get a palindrome (4435225344).

The spelling of 2223022122 in words is "two billion, two hundred twenty-three million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 179 358 537 1074 1611 3222 689951 1379902 2069853 4139706 6209559 12419118 123501229 247002458 370503687 741007374 1111511061 2223022122