22173915457 has 4 divisors (see below), whose sum is σ = 22176110016. Its totient is φ = 22171720900.

The previous prime is 22173915437. The next prime is 22173915461. The reversal of 22173915457 is 75451937122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22173915457 - 2¹⁹ = 22173391169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22173915437) 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, 1082053 + ... + 1102354.

It is an arithmetic number, because the mean of its divisors is an integer number (5544027504).

Almost surely, 2^22173915457 is an apocalyptic number.

It is an amenable number.

22173915457 is a deficient number, since it is larger than the sum of its proper divisors (2194559).

22173915457 is a wasteful number, since it uses less digits than its factorization.

22173915457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194558.

The product of its digits is 529200, while the sum is 46.

The spelling of 22173915457 in words is "twenty-two billion, one hundred seventy-three million, nine hundred fifteen thousand, four hundred fifty-seven".