164855226 has 16 divisors (see below), whose sum is σ = 336726144. Its totient is φ = 53782464.

The previous prime is 164855213. The next prime is 164855231. The reversal of 164855226 is 622558461.

It is a super-2 number, since 2×164855226² = 54354491079022152, which contains 22 as substring.

It is a Curzon 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, 292015 + ... + 292578.

It is an arithmetic number, because the mean of its divisors is an integer number (21045384).

Almost surely, 2^164855226 is an apocalyptic number.

164855226 is an abundant number, since it is smaller than the sum of its proper divisors (171870918).

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

164855226 is a wasteful number, since it uses less digits than its factorization.

164855226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584645.

The product of its digits is 115200, while the sum is 39.

The square root of 164855226 is about 12839.5960216823. The cubic root of 164855226 is about 548.3201926701.

The spelling of 164855226 in words is "one hundred sixty-four million, eight hundred fifty-five thousand, two hundred twenty-six".