22718734725 has 48 divisors (see below), whose sum is σ = 39503757312. Its totient is φ = 11498477760.

The previous prime is 22718734723. The next prime is 22718734781. The reversal of 22718734725 is 52743781722.

It is not a de Polignac number, because 22718734725 - 2¹ = 22718734723 is a prime.

It is a super-2 number, since 2×22718734725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22718734723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167224 + ... + 270926.

It is an arithmetic number, because the mean of its divisors is an integer number (822994944).

Almost surely, 2^22718734725 is an apocalyptic number.

22718734725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22718734725 is a deficient number, since it is larger than the sum of its proper divisors (16785022587).

22718734725 is a wasteful number, since it uses less digits than its factorization.

22718734725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103866 (or 103861 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 48.

The spelling of 22718734725 in words is "twenty-two billion, seven hundred eighteen million, seven hundred thirty-four thousand, seven hundred twenty-five".