22105002154 has 32 divisors (see below), whose sum is σ = 35810812800. Its totient is φ = 10199151360.

The previous prime is 22105002121. The next prime is 22105002169. The reversal of 22105002154 is 45120050122.

It is a super-2 number, since 2×22105002154² (a number of 21 digits) contains 22 as substring.

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, 997062 + ... + 1018990.

It is an arithmetic number, because the mean of its divisors is an integer number (1119087900).

Almost surely, 2^22105002154 is an apocalyptic number.

22105002154 is a deficient number, since it is larger than the sum of its proper divisors (13705810646).

22105002154 is a wasteful number, since it uses less digits than its factorization.

22105002154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22638.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22105002154 its reverse (45120050122), we get a palindrome (67225052276).

The spelling of 22105002154 in words is "twenty-two billion, one hundred five million, two thousand, one hundred fifty-four".