622362906 has 64 divisors (see below), whose sum is σ = 1512483840. Its totient is φ = 188129520.

The previous prime is 622362899. The next prime is 622362919. The reversal of 622362906 is 609263226.

622362906 is a `hidden beast` number, since 6 + 2 + 23 + 629 + 0 + 6 = 666.

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, 297741 + ... + 299823.

It is an arithmetic number, because the mean of its divisors is an integer number (23632560).

Almost surely, 2^622362906 is an apocalyptic number.

622362906 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 622362906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756241920).

622362906 is an abundant number, since it is smaller than the sum of its proper divisors (890120934).

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

622362906 is a wasteful number, since it uses less digits than its factorization.

622362906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 622362906 is about 24947.2023682015. The cubic root of 622362906 is about 853.7837801602.

The spelling of 622362906 in words is "six hundred twenty-two million, three hundred sixty-two thousand, nine hundred six".