2252216164 has 12 divisors (see below), whose sum is σ = 4299685488. Its totient is φ = 1023734600.

The previous prime is 2252216137. The next prime is 2252216177. The reversal of 2252216164 is 4616122522.

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, 25593322 + ... + 25593409.

It is an arithmetic number, because the mean of its divisors is an integer number (358307124).

Almost surely, 2^2252216164 is an apocalyptic number.

It is an amenable number.

2252216164 is a deficient number, since it is larger than the sum of its proper divisors (2047469324).

2252216164 is a wasteful number, since it uses less digits than its factorization.

2252216164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51186746 (or 51186744 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 2252216164 is about 47457.5195727716. The cubic root of 2252216164 is about 1310.8007776148.

Adding to 2252216164 its reverse (4616122522), we get a palindrome (6868338686).

The spelling of 2252216164 in words is "two billion, two hundred fifty-two million, two hundred sixteen thousand, one hundred sixty-four".