82428922 has 4 divisors (see below), whose sum is σ = 123643386. Its totient is φ = 41214460.

The previous prime is 82428889. The next prime is 82428923. The reversal of 82428922 is 22982428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72948681 + 9480241 = 8541^2 + 3079^2 .

It is not an unprimeable number, because it can be changed into a prime (82428923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20607229 + ... + 20607232.

Almost surely, 2^82428922 is an apocalyptic number.

82428922 is a deficient number, since it is larger than the sum of its proper divisors (41214464).

82428922 is a wasteful number, since it uses less digits than its factorization.

82428922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41214463.

The product of its digits is 36864, while the sum is 37.

The square root of 82428922 is about 9079.0375040529. The cubic root of 82428922 is about 435.2043290743.

The spelling of 82428922 in words is "eighty-two million, four hundred twenty-eight thousand, nine hundred twenty-two".