22105057450 has 24 divisors (see below), whose sum is σ = 46989037152. Its totient is φ = 7578876720.

The previous prime is 22105057441. The next prime is 22105057487. The reversal of 22105057450 is 5475050122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31578304 + ... + 31579003.

It is an arithmetic number, because the mean of its divisors is an integer number (1957876548).

Almost surely, 2^22105057450 is an apocalyptic number.

22105057450 is an abundant number, since it is smaller than the sum of its proper divisors (24883979702).

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

22105057450 is a wasteful number, since it uses less digits than its factorization.

22105057450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63157326 (or 63157321 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The spelling of 22105057450 in words is "twenty-two billion, one hundred five million, fifty-seven thousand, four hundred fifty".