622894401 has 32 divisors (see below), whose sum is σ = 936230400. Its totient is φ = 409266000.

The previous prime is 622894387. The next prime is 622894409. The reversal of 622894401 is 104498226.

It is not a de Polignac number, because 622894401 - 2⁵ = 622894369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622894409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724710 + ... + 725568.

It is an arithmetic number, because the mean of its divisors is an integer number (29257200).

Almost surely, 2^622894401 is an apocalyptic number.

It is an amenable number.

622894401 is a deficient number, since it is larger than the sum of its proper divisors (313335999).

622894401 is a wasteful number, since it uses less digits than its factorization.

622894401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 622894401 is about 24957.8524917510. The cubic root of 622894401 is about 854.0267534540.

The spelling of 622894401 in words is "six hundred twenty-two million, eight hundred ninety-four thousand, four hundred one".