82811922 has 16 divisors (see below), whose sum is σ = 167620320. Its totient is φ = 27271232.

The previous prime is 82811921. The next prime is 82811929. The reversal of 82811922 is 22911828.

It is not an unprimeable number, because it can be changed into a prime (82811921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82647 + ... + 83642.

It is an arithmetic number, because the mean of its divisors is an integer number (10476270).

Almost surely, 2^82811922 is an apocalyptic number.

82811922 is an abundant number, since it is smaller than the sum of its proper divisors (84808398).

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

82811922 is a wasteful number, since it uses less digits than its factorization.

82811922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166377.

The product of its digits is 4608, while the sum is 33.

The square root of 82811922 is about 9100.1056037828. The cubic root of 82811922 is about 435.8773362251.

The spelling of 82811922 in words is "eighty-two million, eight hundred eleven thousand, nine hundred twenty-two".