22752405 has 96 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 10036224.

The previous prime is 22752383. The next prime is 22752427. The reversal of 22752405 is 50425722.

It is an interprime number because it is at equal distance from previous prime (22752383) and next prime (22752427).

It is not a de Polignac number, because 22752405 - 2¹³ = 22744213 is a prime.

It is a super-3 number, since 3×22752405³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 255601 + ... + 255689.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^22752405 is an apocalyptic number.

It is an amenable number.

22752405 is an abundant number, since it is smaller than the sum of its proper divisors (24421995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22752405 is a wasteful number, since it uses less digits than its factorization.

22752405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 22752405 is about 4769.9481129253. The cubic root of 22752405 is about 283.3625398574.

The spelling of 22752405 in words is "twenty-two million, seven hundred fifty-two thousand, four hundred five".