82422428 has 24 divisors (see below), whose sum is σ = 162430464. Its totient is φ = 36255600.

The previous prime is 82422427. The next prime is 82422467.

It is a happy number.

82422428 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 82422394 and 82422403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82422427) 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, 28850 + ... + 31577.

It is an arithmetic number, because the mean of its divisors is an integer number (6767936).

Almost surely, 2^82422428 is an apocalyptic number.

It is an amenable number.

82422428 is a deficient number, since it is larger than the sum of its proper divisors (80008036).

82422428 is a wasteful number, since it uses less digits than its factorization.

82422428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60473 (or 60471 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 82422428 is about 9078.6798599796. The cubic root of 82422428 is about 435.1928998693.

The spelling of 82422428 in words is "eighty-two million, four hundred twenty-two thousand, four hundred twenty-eight".