22943390472 has 36 divisors (see below), whose sum is σ = 62141830335. Its totient is φ = 7647368400.

The previous prime is 22943390447. The next prime is 22943390479. The reversal of 22943390472 is 27409334922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

22943390472 is a `hidden beast` number, since 2 + 2 + 94 + 3 + 3 + 90 + 472 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11471695236 + 11471695236 = 107106^2 + 107106^2 .

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

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107106.

It is not an unprimeable number, because it can be changed into a prime (22943390479) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1276347 + ... + 1294197.

Almost surely, 2^22943390472 is an apocalyptic number.

It is an amenable number.

22943390472 is an abundant number, since it is smaller than the sum of its proper divisors (39198439863).

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

22943390472 is an frugal number, since it uses more digits than its factorization.

22943390472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35714 (or 17856 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 22943390472 in words is "twenty-two billion, nine hundred forty-three million, three hundred ninety thousand, four hundred seventy-two".