82555422 has 16 divisors (see below), whose sum is σ = 166655232. Its totient is φ = 27261080.

The previous prime is 82555409. The next prime is 82555433. The reversal of 82555422 is 22455528.

It is a happy number.

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, 63654 + ... + 64937.

It is an arithmetic number, because the mean of its divisors is an integer number (10415952).

Almost surely, 2^82555422 is an apocalyptic number.

82555422 is an abundant number, since it is smaller than the sum of its proper divisors (84099810).

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

82555422 is a wasteful number, since it uses less digits than its factorization.

82555422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128703.

The product of its digits is 32000, while the sum is 33.

The square root of 82555422 is about 9086.0014307725. The cubic root of 82555422 is about 435.4268448597.

The spelling of 82555422 in words is "eighty-two million, five hundred fifty-five thousand, four hundred twenty-two".