22313252 has 12 divisors (see below), whose sum is σ = 42051996. Its totient is φ = 10298400.

The previous prime is 22313227. The next prime is 22313261. The reversal of 22313252 is 25231322.

It can be written as a sum of positive squares in 2 ways, for example, as 6120676 + 16192576 = 2474^2 + 4024^2 .

It is a super-3 number, since 3×22313252³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214499 + ... + 214602.

It is an arithmetic number, because the mean of its divisors is an integer number (3504333).

Almost surely, 2^22313252 is an apocalyptic number.

It is an amenable number.

22313252 is a deficient number, since it is larger than the sum of its proper divisors (19738744).

22313252 is a wasteful number, since it uses less digits than its factorization.

22313252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429118 (or 429116 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 22313252 is about 4723.6905063732. The cubic root of 22313252 is about 281.5275862195.

Adding to 22313252 its reverse (25231322), we get a palindrome (47544574).

The spelling of 22313252 in words is "twenty-two million, three hundred thirteen thousand, two hundred fifty-two".