164222204 has 6 divisors (see below), whose sum is σ = 287388864. Its totient is φ = 82111100.

The previous prime is 164222171. The next prime is 164222213. The reversal of 164222204 is 402222461.

It is a self number, because there is not a number n which added to its sum of digits gives 164222204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20527772 + ... + 20527779.

It is an arithmetic number, because the mean of its divisors is an integer number (47898144).

Almost surely, 2^164222204 is an apocalyptic number.

It is an amenable number.

164222204 is a deficient number, since it is larger than the sum of its proper divisors (123166660).

164222204 is a wasteful number, since it uses less digits than its factorization.

164222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41055555 (or 41055553 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 164222204 is about 12814.9211468507. The cubic root of 164222204 is about 547.6174670635.

Adding to 164222204 its reverse (402222461), we get a palindrome (566444665).

The spelling of 164222204 in words is "one hundred sixty-four million, two hundred twenty-two thousand, two hundred four".