22043744604 has 36 divisors (see below), whose sum is σ = 63681929584. Its totient is φ = 6298212672.

The previous prime is 22043744581. The next prime is 22043744609. The reversal of 22043744604 is 40644734022.

22043744604 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 3 + 7 + 44 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22043744609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43737337 + ... + 43737840.

Almost surely, 2^22043744604 is an apocalyptic number.

It is an amenable number.

22043744604 is an abundant number, since it is smaller than the sum of its proper divisors (41638184980).

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

22043744604 is a wasteful number, since it uses less digits than its factorization.

22043744604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87475194 (or 87475189 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The spelling of 22043744604 in words is "twenty-two billion, forty-three million, seven hundred forty-four thousand, six hundred four".