22450555540 has 24 divisors (see below), whose sum is σ = 53881333632. Its totient is φ = 7697333280.

The previous prime is 22450555529. The next prime is 22450555541. The reversal of 22450555540 is 4555505422.

It is a self number, because there is not a number n which added to its sum of digits gives 22450555540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450555541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80180416 + ... + 80180695.

It is an arithmetic number, because the mean of its divisors is an integer number (2245055568).

Almost surely, 2^22450555540 is an apocalyptic number.

22450555540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22450555540 is an abundant number, since it is smaller than the sum of its proper divisors (31430778092).

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

22450555540 is a wasteful number, since it uses less digits than its factorization.

22450555540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160361127 (or 160361125 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

The spelling of 22450555540 in words is "twenty-two billion, four hundred fifty million, five hundred fifty-five thousand, five hundred forty".