164874222 has 24 divisors (see below), whose sum is σ = 369546840. Its totient is φ = 53062800.

The previous prime is 164874209. The next prime is 164874233. The reversal of 164874222 is 222478461.

164874222 is a `hidden beast` number, since 1 + 648 + 7 + 4 + 2 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157404 + ... + 158447.

It is an arithmetic number, because the mean of its divisors is an integer number (15397785).

Almost surely, 2^164874222 is an apocalyptic number.

164874222 is an abundant number, since it is smaller than the sum of its proper divisors (204672618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164874222 is a wasteful number, since it uses less digits than its factorization.

164874222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315888 (or 315885 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 164874222 is about 12840.3357432740. The cubic root of 164874222 is about 548.3412525430.

The spelling of 164874222 in words is "one hundred sixty-four million, eight hundred seventy-four thousand, two hundred twenty-two".