22748575 has 24 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 17404800.

The previous prime is 22748519. The next prime is 22748597. The reversal of 22748575 is 57584722.

It is a happy number.

It is not a de Polignac number, because 22748575 - 2¹⁵ = 22715807 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 115377 + ... + 115573.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 2^22748575 is an apocalyptic number.

22748575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22748575 is a deficient number, since it is larger than the sum of its proper divisors (6713825).

22748575 is a wasteful number, since it uses less digits than its factorization.

22748575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 382 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 22748575 is about 4769.5466241562. The cubic root of 22748575 is about 283.3466391291.

The spelling of 22748575 in words is "twenty-two million, seven hundred forty-eight thousand, five hundred seventy-five".