22071945590 has 16 divisors (see below), whose sum is σ = 40803273072. Its totient is φ = 8590162464.

The previous prime is 22071945481. The next prime is 22071945611. The reversal of 22071945590 is 9554917022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29826584 + ... + 29827323.

It is an arithmetic number, because the mean of its divisors is an integer number (2550204567).

Almost surely, 2^22071945590 is an apocalyptic number.

22071945590 is a deficient number, since it is larger than the sum of its proper divisors (18731327482).

22071945590 is a wasteful number, since it uses less digits than its factorization.

22071945590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59653951.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 22071945590 in words is "twenty-two billion, seventy-one million, nine hundred forty-five thousand, five hundred ninety".