622616452 has 12 divisors (see below), whose sum is σ = 1095284736. Its totient is φ = 309677960.

The previous prime is 622616443. The next prime is 622616497. The reversal of 622616452 is 254616226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406708 + ... + 408235.

It is an arithmetic number, because the mean of its divisors is an integer number (91273728).

Almost surely, 2^622616452 is an apocalyptic number.

It is an amenable number.

622616452 is a deficient number, since it is larger than the sum of its proper divisors (472668284).

622616452 is a wasteful number, since it uses less digits than its factorization.

622616452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815138 (or 815136 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 622616452 is about 24952.2835027177. The cubic root of 622616452 is about 853.8997061311.

The spelling of 622616452 in words is "six hundred twenty-two million, six hundred sixteen thousand, four hundred fifty-two".