622904364 has 96 divisors (see below), whose sum is σ = 1668522240. Its totient is φ = 200841984.

The previous prime is 622904363. The next prime is 622904413. The reversal of 622904364 is 463409226.

622904364 is a `hidden beast` number, since 6 + 2 + 290 + 4 + 364 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (622904363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524179 + ... + 525365.

It is an arithmetic number, because the mean of its divisors is an integer number (17380440).

Almost surely, 2^622904364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622904364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834261120).

622904364 is an abundant number, since it is smaller than the sum of its proper divisors (1045617876).

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

622904364 is a wasteful number, since it uses less digits than its factorization.

622904364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 622904364 is about 24958.0520874527. The cubic root of 622904364 is about 854.0313067262.

The spelling of 622904364 in words is "six hundred twenty-two million, nine hundred four thousand, three hundred sixty-four".