22352252 has 12 divisors (see below), whose sum is σ = 42125496. Its totient is φ = 10316400.

The previous prime is 22352249. The next prime is 22352279. The reversal of 22352252 is 25225322.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214874 + ... + 214977.

It is an arithmetic number, because the mean of its divisors is an integer number (3510458).

Almost surely, 2^22352252 is an apocalyptic number.

It is an amenable number.

22352252 is a deficient number, since it is larger than the sum of its proper divisors (19773244).

22352252 is a wasteful number, since it uses less digits than its factorization.

22352252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429868 (or 429866 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 22352252 is about 4727.8168323234. The cubic root of 22352252 is about 281.6915125000.

Adding to 22352252 its reverse (25225322), we get a palindrome (47577574).

The spelling of 22352252 in words is "twenty-two million, three hundred fifty-two thousand, two hundred fifty-two".