22746547775 has 48 divisors (see below), whose sum is σ = 34042344960. Its totient is φ = 14728521600.

The previous prime is 22746547763. The next prime is 22746547781. The reversal of 22746547775 is 57774564722.

It is not a de Polignac number, because 22746547775 - 2⁶ = 22746547711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22746547775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1023077 + ... + 1045073.

It is an arithmetic number, because the mean of its divisors is an integer number (709215520).

Almost surely, 2^22746547775 is an apocalyptic number.

22746547775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22746547775 is a deficient number, since it is larger than the sum of its proper divisors (11295797185).

22746547775 is a wasteful number, since it uses less digits than its factorization.

22746547775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22344 (or 22339 counting only the distinct ones).

The product of its digits is 23049600, while the sum is 56.

The spelling of 22746547775 in words is "twenty-two billion, seven hundred forty-six million, five hundred forty-seven thousand, seven hundred seventy-five".