22315156 has 12 divisors (see below), whose sum is σ = 39431392. Its totient is φ = 11049048.

The previous prime is 22315147. The next prime is 22315187. The reversal of 22315156 is 65151322.

It is a super-3 number, since 3×22315156³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22315156.

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, 26670 + ... + 27493.

Almost surely, 2^22315156 is an apocalyptic number.

It is an amenable number.

22315156 is a deficient number, since it is larger than the sum of its proper divisors (17116236).

22315156 is a wasteful number, since it uses less digits than its factorization.

22315156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54270 (or 54268 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 22315156 is about 4723.8920394099. The cubic root of 22315156 is about 281.5355936177.

Adding to 22315156 its reverse (65151322), we get a palindrome (87466478).

The spelling of 22315156 in words is "twenty-two million, three hundred fifteen thousand, one hundred fifty-six".