22460405520 has 80 divisors (see below), whose sum is σ = 79574014080. Its totient is φ = 5133806592.

The previous prime is 22460405503. The next prime is 22460405557. The reversal of 22460405520 is 2550406422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22460405520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6682965 + ... + 6686324.

It is an arithmetic number, because the mean of its divisors is an integer number (994675176).

Almost surely, 2^22460405520 is an apocalyptic number.

22460405520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22460405520 is an abundant number, since it is smaller than the sum of its proper divisors (57113608560).

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

22460405520 is a wasteful number, since it uses less digits than its factorization.

22460405520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13369312 (or 13369306 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22460405520 in words is "twenty-two billion, four hundred sixty million, four hundred five thousand, five hundred twenty".