22148051775 has 24 divisors (see below), whose sum is σ = 38772121104. Its totient is φ = 11117452800.

The previous prime is 22148051747. The next prime is 22148051789. The reversal of 22148051775 is 57715084122.

It is not a de Polignac number, because 22148051775 - 2⁷ = 22148051647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8684236 + ... + 8686785.

It is an arithmetic number, because the mean of its divisors is an integer number (1615505046).

Almost surely, 2^22148051775 is an apocalyptic number.

22148051775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22148051775 is a deficient number, since it is larger than the sum of its proper divisors (16624069329).

22148051775 is a wasteful number, since it uses less digits than its factorization.

22148051775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17371051 (or 17371046 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 22148051775 in words is "twenty-two billion, one hundred forty-eight million, fifty-one thousand, seven hundred seventy-five".