22732385 has 8 divisors (see below), whose sum is σ = 29377320. Its totient is φ = 16786944.

The previous prime is 22732361. The next prime is 22732399. The reversal of 22732385 is 58323722.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 22591009 = 376^2 + 4753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22732385 - 2¹⁶ = 22666849 is a prime.

It is a super-2 number, since 2×22732385² = 1033522655576450, which contains 22 as substring.

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, 174800 + ... + 174929.

It is an arithmetic number, because the mean of its divisors is an integer number (3672165).

Almost surely, 2^22732385 is an apocalyptic number.

It is an amenable number.

22732385 is a deficient number, since it is larger than the sum of its proper divisors (6644935).

22732385 is a wasteful number, since it uses less digits than its factorization.

22732385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349747.

The product of its digits is 20160, while the sum is 32.

The square root of 22732385 is about 4767.8490957663. The cubic root of 22732385 is about 283.2794045765.

The spelling of 22732385 in words is "twenty-two million, seven hundred thirty-two thousand, three hundred eighty-five".