22345252 has 6 divisors (see below), whose sum is σ = 39104198. Its totient is φ = 11172624.

The previous prime is 22345249. The next prime is 22345261. The reversal of 22345252 is 25254322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17255716 + 5089536 = 4154^2 + 2256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2793153 + ... + 2793160.

Almost surely, 2^22345252 is an apocalyptic number.

It is an amenable number.

22345252 is a deficient number, since it is larger than the sum of its proper divisors (16758946).

22345252 is a wasteful number, since it uses less digits than its factorization.

22345252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586317 (or 5586315 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 22345252 is about 4727.0764749473. The cubic root of 22345252 is about 281.6621038829.

Adding to 22345252 its reverse (25254322), we get a palindrome (47599574).

The spelling of 22345252 in words is "twenty-two million, three hundred forty-five thousand, two hundred fifty-two".