164256022 has 16 divisors (see below), whose sum is σ = 283610880. Its totient is φ = 69888168.

The previous prime is 164256019. The next prime is 164256031. The reversal of 164256022 is 220652461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40258 + ... + 44149.

It is an arithmetic number, because the mean of its divisors is an integer number (17725680).

Almost surely, 2^164256022 is an apocalyptic number.

164256022 is a deficient number, since it is larger than the sum of its proper divisors (119354858).

164256022 is a wasteful number, since it uses less digits than its factorization.

164256022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84555.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164256022 is about 12816.2405564190. The cubic root of 164256022 is about 547.6550544623.

The spelling of 164256022 in words is "one hundred sixty-four million, two hundred fifty-six thousand, twenty-two".