22726440210 has 32 divisors (see below), whose sum is σ = 54777565440. Its totient is φ = 6034371968.

The previous prime is 22726440199. The next prime is 22726440211. The reversal of 22726440210 is 1204462722.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22726440211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618650 + ... + 1632629.

It is an arithmetic number, because the mean of its divisors is an integer number (1711798920).

Almost surely, 2^22726440210 is an apocalyptic number.

22726440210 is an abundant number, since it is smaller than the sum of its proper divisors (32051125230).

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

22726440210 is a wasteful number, since it uses less digits than its factorization.

22726440210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251522.

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 22726440210 in words is "twenty-two billion, seven hundred twenty-six million, four hundred forty thousand, two hundred ten".