22033666452 has 24 divisors (see below), whose sum is σ = 58756444096. Its totient is φ = 6295333248.

The previous prime is 22033666427. The next prime is 22033666453. The reversal of 22033666452 is 25466633022.

It is a self number, because there is not a number n which added to its sum of digits gives 22033666452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033666453) 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, 131152693 + ... + 131152860.

Almost surely, 2^22033666452 is an apocalyptic number.

It is an amenable number.

22033666452 is an abundant number, since it is smaller than the sum of its proper divisors (36722777644).

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

22033666452 is a wasteful number, since it uses less digits than its factorization.

22033666452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262305567 (or 262305565 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 22033666452 in words is "twenty-two billion, thirty-three million, six hundred sixty-six thousand, four hundred fifty-two".