622631016 has 128 divisors (see below), whose sum is σ = 2004038400. Its totient is φ = 175426560.

The previous prime is 622630991. The next prime is 622631027. The reversal of 622631016 is 610136226.

622631016 is a `hidden beast` number, since 6 + 22 + 631 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107556 + ... + 113196.

It is an arithmetic number, because the mean of its divisors is an integer number (15656550).

Almost surely, 2^622631016 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 622631016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002019200).

622631016 is an abundant number, since it is smaller than the sum of its proper divisors (1381407384).

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

622631016 is a wasteful number, since it uses less digits than its factorization.

622631016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736 (or 5726 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 622631016 is about 24952.5753380287. The cubic root of 622631016 is about 853.9063641083.

The spelling of 622631016 in words is "six hundred twenty-two million, six hundred thirty-one thousand, sixteen".