22370164 has 24 divisors (see below), whose sum is σ = 42137928. Its totient is φ = 10352640.

The previous prime is 22370149. The next prime is 22370203. The reversal of 22370164 is 46107322.

It can be written as a sum of positive squares in 4 ways, for example, as 5560164 + 16810000 = 2358^2 + 4100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 6844.

It is an arithmetic number, because the mean of its divisors is an integer number (1755747).

Almost surely, 2^22370164 is an apocalyptic number.

It is an amenable number.

22370164 is a deficient number, since it is larger than the sum of its proper divisors (19767764).

22370164 is a wasteful number, since it uses less digits than its factorization.

22370164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22370164 is about 4729.7107733983. The cubic root of 22370164 is about 281.7667370037.

Adding to 22370164 its reverse (46107322), we get a palindrome (68477486).

The spelling of 22370164 in words is "twenty-two million, three hundred seventy thousand, one hundred sixty-four".