22456663387 has 16 divisors (see below), whose sum is σ = 24418117440. Its totient is φ = 20588119552.

The previous prime is 22456663379. The next prime is 22456663391. The reversal of 22456663387 is 78336665422.

It is a cyclic number.

It is not a de Polignac number, because 22456663387 - 2³ = 22456663379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22456663357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31498 + ... + 214255.

It is an arithmetic number, because the mean of its divisors is an integer number (1526132340).

Almost surely, 2^22456663387 is an apocalyptic number.

22456663387 is a deficient number, since it is larger than the sum of its proper divisors (1961454053).

22456663387 is a wasteful number, since it uses less digits than its factorization.

22456663387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245942.

The product of its digits is 8709120, while the sum is 52.

The spelling of 22456663387 in words is "twenty-two billion, four hundred fifty-six million, six hundred sixty-three thousand, three hundred eighty-seven".