22259281690 has 16 divisors (see below), whose sum is σ = 40441164192. Its totient is φ = 8820499984.

The previous prime is 22259281657. The next prime is 22259281703. The reversal of 22259281690 is 9618295222.

It is a super-2 number, since 2×22259281690² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22259281690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10400464 + ... + 10402603.

It is an arithmetic number, because the mean of its divisors is an integer number (2527572762).

Almost surely, 2^22259281690 is an apocalyptic number.

22259281690 is a deficient number, since it is larger than the sum of its proper divisors (18181882502).

22259281690 is a wasteful number, since it uses less digits than its factorization.

22259281690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803181.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 22259281690 in words is "twenty-two billion, two hundred fifty-nine million, two hundred eighty-one thousand, six hundred ninety".