22438673457 has 16 divisors (see below), whose sum is σ = 30061221120. Its totient is φ = 14887695872.

The previous prime is 22438673449. The next prime is 22438673461. The reversal of 22438673457 is 75437683422.

It is a cyclic number.

It is not a de Polignac number, because 22438673457 - 2³ = 22438673449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22438673407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337473 + ... + 1354145.

It is an arithmetic number, because the mean of its divisors is an integer number (1878826320).

Almost surely, 2^22438673457 is an apocalyptic number.

It is an amenable number.

22438673457 is a deficient number, since it is larger than the sum of its proper divisors (7622547663).

22438673457 is a wasteful number, since it uses less digits than its factorization.

22438673457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18792.

The product of its digits is 6773760, while the sum is 51.

The spelling of 22438673457 in words is "twenty-two billion, four hundred thirty-eight million, six hundred seventy-three thousand, four hundred fifty-seven".