22515354040 has 16 divisors (see below), whose sum is σ = 50659546680. Its totient is φ = 9006141600.

The previous prime is 22515354023. The next prime is 22515354041. The reversal of 22515354040 is 4045351522.

It is a junction number, because it is equal to n+sod(n) for n = 22515353993 and 22515354011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515354041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281441886 + ... + 281441965.

Almost surely, 2^22515354040 is an apocalyptic number.

22515354040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22515354040 is an abundant number, since it is smaller than the sum of its proper divisors (28144192640).

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

22515354040 is a wasteful number, since it uses less digits than its factorization.

22515354040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562883862 (or 562883858 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 22515354040 in words is "twenty-two billion, five hundred fifteen million, three hundred fifty-four thousand, forty".