22752297 has 6 divisors (see below), whose sum is σ = 32864442. Its totient is φ = 15168192.

The previous prime is 22752293. The next prime is 22752311. The reversal of 22752297 is 79225722.

It can be written as a sum of positive squares in only one way, i.e., 16818201 + 5934096 = 4101^2 + 2436^2 .

It is not a de Polignac number, because 22752297 - 2² = 22752293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22752293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1264008 + ... + 1264025.

It is an arithmetic number, because the mean of its divisors is an integer number (5477407).

Almost surely, 2^22752297 is an apocalyptic number.

It is an amenable number.

22752297 is a deficient number, since it is larger than the sum of its proper divisors (10112145).

22752297 is a wasteful number, since it uses less digits than its factorization.

22752297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528039 (or 2528036 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 22752297 is about 4769.9367920340. The cubic root of 22752297 is about 283.3620915062.

The spelling of 22752297 in words is "twenty-two million, seven hundred fifty-two thousand, two hundred ninety-seven".