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22331021010 = 2354317310869
BaseRepresentation
bin10100110011000010…
…000101011011010010
32010122021202101221020
4110303002011123102
5331213220133020
614131515140310
71420245355344
oct246302053322
963567671836
1022331021010
11951a308671
1243b2744696
13214b5c16cc
14111bb0b294
158aa718c40
hex5330856d2

22331021010 has 32 divisors (see below), whose sum is σ = 54840836160. Its totient is φ = 5816451648.

The previous prime is 22331020951. The next prime is 22331021021. The reversal of 22331021010 is 1012013322.

It is a super-2 number, since 2×223310210102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8654145 + ... + 8656724.

It is an arithmetic number, because the mean of its divisors is an integer number (1713776130).

Almost surely, 222331021010 is an apocalyptic number.

22331021010 is an abundant number, since it is smaller than the sum of its proper divisors (32509815150).

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

22331021010 is a wasteful number, since it uses less digits than its factorization.

22331021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310922.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22331021010 its reverse (1012013322), we get a palindrome (23343034332).

The spelling of 22331021010 in words is "twenty-two billion, three hundred thirty-one million, twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 17310869 34621738 51932607 86554345 103865214 173108690 259663035 519326070 744367367 1488734734 2233102101 3721836835 4466204202 7443673670 11165510505 22331021010