22506921210 has 32 divisors (see below), whose sum is σ = 54318392640. Its totient is φ = 5968314368.

The previous prime is 22506921209. The next prime is 22506921251. The reversal of 22506921210 is 1212960522.

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

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2090247 + ... + 2100986.

It is an arithmetic number, because the mean of its divisors is an integer number (1697449770).

Almost surely, 2^22506921210 is an apocalyptic number.

22506921210 is an abundant number, since it is smaller than the sum of its proper divisors (31811471430).

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

22506921210 is a wasteful number, since it uses less digits than its factorization.

22506921210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191422.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 22506921210 in words is "twenty-two billion, five hundred six million, nine hundred twenty-one thousand, two hundred ten".