22200243957 has 6 divisors (see below), whose sum is σ = 32067019062. Its totient is φ = 14800162632.

The previous prime is 22200243953. The next prime is 22200243973. The reversal of 22200243957 is 75934200222.

It can be written as a sum of positive squares in only one way, i.e., 19963994436 + 2236249521 = 141294^2 + 47289^2 .

It is not a de Polignac number, because 22200243957 - 2² = 22200243953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200243953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1233346878 + ... + 1233346895.

It is an arithmetic number, because the mean of its divisors is an integer number (5344503177).

Almost surely, 2^22200243957 is an apocalyptic number.

It is an amenable number.

22200243957 is a deficient number, since it is larger than the sum of its proper divisors (9866775105).

22200243957 is a wasteful number, since it uses less digits than its factorization.

22200243957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466693779 (or 2466693776 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 22200243957 in words is "twenty-two billion, two hundred million, two hundred forty-three thousand, nine hundred fifty-seven".