22066325460 has 72 divisors (see below), whose sum is σ = 68567092776. Its totient is φ = 5740830720.

The previous prime is 22066325441. The next prime is 22066325473. The reversal of 22066325460 is 6452366022.

22066325460 is a `hidden beast` number, since 2 + 20 + 66 + 32 + 546 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3644778384 + 18421547076 = 60372^2 + 135726^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1487629 + ... + 1502388.

It is an arithmetic number, because the mean of its divisors is an integer number (952320733).

Almost surely, 2^22066325460 is an apocalyptic number.

22066325460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22066325460 is an abundant number, since it is smaller than the sum of its proper divisors (46500767316).

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

22066325460 is a wasteful number, since it uses less digits than its factorization.

22066325460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990073 (or 2990068 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 22066325460 in words is "twenty-two billion, sixty-six million, three hundred twenty-five thousand, four hundred sixty".