22750772 has 24 divisors (see below), whose sum is σ = 45323712. Its totient is φ = 9891200.

The previous prime is 22750769. The next prime is 22750781. The reversal of 22750772 is 27705722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10229 + ... + 12252.

It is an arithmetic number, because the mean of its divisors is an integer number (1888488).

Almost surely, 2^22750772 is an apocalyptic number.

22750772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22750772 is a deficient number, since it is larger than the sum of its proper divisors (22572940).

22750772 is a wasteful number, since it uses less digits than its factorization.

22750772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22519 (or 22517 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 22750772 is about 4769.7769339876. The cubic root of 22750772 is about 283.3557604700.

The spelling of 22750772 in words is "twenty-two million, seven hundred fifty thousand, seven hundred seventy-two".