622654456 has 16 divisors (see below), whose sum is σ = 1167800040. Its totient is φ = 311241120.

The previous prime is 622654423. The next prime is 622654469. The reversal of 622654456 is 654456226.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28311 + ... + 45241.

Almost surely, 2^622654456 is an apocalyptic number.

It is an amenable number.

622654456 is a deficient number, since it is larger than the sum of its proper divisors (545145584).

622654456 is a wasteful number, since it uses less digits than its factorization.

622654456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534 (or 21530 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 622654456 is about 24953.0450246057. The cubic root of 622654456 is about 853.9170795580.

The spelling of 622654456 in words is "six hundred twenty-two million, six hundred fifty-four thousand, four hundred fifty-six".