622974402 has 90 divisors (see below), whose sum is σ = 1462251483. Its totient is φ = 198233568.

The previous prime is 622974323. The next prime is 622974431. The reversal of 622974402 is 204479226.

It can be written as a sum of positive squares in 5 ways, for example, as 616578561 + 6395841 = 24831^2 + 2529^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17649.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 11754208 + ... + 11754260.

Almost surely, 2^622974402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622974402

622974402 is an abundant number, since it is smaller than the sum of its proper divisors (839277081).

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

622974402 is an equidigital number, since it uses as much as digits as its factorization.

622974402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 622974402 is about 24959.4551623228. The cubic root of 622974402 is about 854.0633139954.

The spelling of 622974402 in words is "six hundred twenty-two million, nine hundred seventy-four thousand, four hundred two".