22051256810 has 64 divisors (see below), whose sum is σ = 43526035584. Its totient is φ = 7977043200.

The previous prime is 22051256783. The next prime is 22051256813. The reversal of 22051256810 is 1865215022.

It is a super-2 number, since 2×22051256810² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22051256813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30083204 + ... + 30083936.

It is an arithmetic number, because the mean of its divisors is an integer number (680094306).

Almost surely, 2^22051256810 is an apocalyptic number.

22051256810 is a deficient number, since it is larger than the sum of its proper divisors (21474778774).

22051256810 is a wasteful number, since it uses less digits than its factorization.

22051256810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 22051256810 in words is "twenty-two billion, fifty-one million, two hundred fifty-six thousand, eight hundred ten".