22532775 has 24 divisors (see below), whose sum is σ = 37735680. Its totient is φ = 11862240.

The previous prime is 22532771. The next prime is 22532789. The reversal of 22532775 is 57723522.

It is not a de Polignac number, because 22532775 - 2² = 22532771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4024 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (1572320).

Almost surely, 2^22532775 is an apocalyptic number.

22532775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22532775 is a deficient number, since it is larger than the sum of its proper divisors (15202905).

22532775 is a wasteful number, since it uses less digits than its factorization.

22532775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3890 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 22532775 is about 4746.8700213930. The cubic root of 22532775 is about 282.4478197409.

The spelling of 22532775 in words is "twenty-two million, five hundred thirty-two thousand, seven hundred seventy-five".