22455632057 has 4 divisors (see below), whose sum is σ = 22661647140. Its totient is φ = 22249616976.

The previous prime is 22455632041. The next prime is 22455632083. The reversal of 22455632057 is 75023655422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75023655422 = 2 ⋅37511827711.

It can be written as a sum of positive squares in 2 ways, for example, as 11061990976 + 11393641081 = 105176^2 + 106741^2 .

It is a cyclic number.

It is not a de Polignac number, because 22455632057 - 2⁴ = 22455632041 is a prime.

It is a super-2 number, since 2×22455632057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22455632357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103007378 + ... + 103007595.

It is an arithmetic number, because the mean of its divisors is an integer number (5665411785).

Almost surely, 2^22455632057 is an apocalyptic number.

It is an amenable number.

22455632057 is a deficient number, since it is larger than the sum of its proper divisors (206015083).

22455632057 is a wasteful number, since it uses less digits than its factorization.

22455632057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206015082.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 22455632057 in words is "twenty-two billion, four hundred fifty-five million, six hundred thirty-two thousand, fifty-seven".