22301252 has 12 divisors (see below), whose sum is σ = 39246480. Its totient is φ = 11087976.

The previous prime is 22301239. The next prime is 22301273. The reversal of 22301252 is 25210322.

It is a self number, because there is not a number n which added to its sum of digits gives 22301252.

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, 14858 + ... + 16289.

It is an arithmetic number, because the mean of its divisors is an integer number (3270540).

Almost surely, 2^22301252 is an apocalyptic number.

It is an amenable number.

22301252 is a deficient number, since it is larger than the sum of its proper divisors (16945228).

22301252 is a wasteful number, since it uses less digits than its factorization.

22301252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330 (or 31328 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22301252 is about 4722.4201422576. The cubic root of 22301252 is about 281.4771089391.

Adding to 22301252 its reverse (25210322), we get a palindrome (47511574).

The spelling of 22301252 in words is "twenty-two million, three hundred one thousand, two hundred fifty-two".