22153314840 has 32 divisors (see below), whose sum is σ = 66459944880. Its totient is φ = 5907550592.

The previous prime is 22153314797. The next prime is 22153314877. The reversal of 22153314840 is 4841335122.

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, 92305359 + ... + 92305598.

Almost surely, 2^22153314840 is an apocalyptic number.

22153314840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22153314840 is an abundant number, since it is smaller than the sum of its proper divisors (44306630040).

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

22153314840 is a wasteful number, since it uses less digits than its factorization.

22153314840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184610971 (or 184610967 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 22153314840 its reverse (4841335122), we get a palindrome (26994649962).

The spelling of 22153314840 in words is "twenty-two billion, one hundred fifty-three million, three hundred fourteen thousand, eight hundred forty".