82269690 has 16 divisors (see below), whose sum is σ = 197447328. Its totient is φ = 21938576.

The previous prime is 82269679. The next prime is 82269697. The reversal of 82269690 is 9696228.

It is a super-2 number, since 2×82269690² = 13536603785392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82269697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371132 + ... + 1371191.

It is an arithmetic number, because the mean of its divisors is an integer number (12340458).

Almost surely, 2^82269690 is an apocalyptic number.

82269690 is an abundant number, since it is smaller than the sum of its proper divisors (115177638).

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

82269690 is a wasteful number, since it uses less digits than its factorization.

82269690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742333.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 82269690 is about 9070.2640534882. The cubic root of 82269690 is about 434.9239132348.

The spelling of 82269690 in words is "eighty-two million, two hundred sixty-nine thousand, six hundred ninety".