622897216 has 28 divisors (see below), whose sum is σ = 1301120080. Its totient is φ = 295056000.

The previous prime is 622897213. The next prime is 622897217. The reversal of 622897216 is 612798226.

It is not an unprimeable number, because it can be changed into a prime (622897211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254910 + ... + 257341.

Almost surely, 2^622897216 is an apocalyptic number.

It is an amenable number.

622897216 is an abundant number, since it is smaller than the sum of its proper divisors (678222864).

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

622897216 is a wasteful number, since it uses less digits than its factorization.

622897216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512282 (or 512272 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 622897216 is about 24957.9088867637. The cubic root of 622897216 is about 854.0280399651.

The spelling of 622897216 in words is "six hundred twenty-two million, eight hundred ninety-seven thousand, two hundred sixteen".