622992216 has 192 divisors, whose sum is σ = 2060755200. Its totient is φ = 153204480.

The previous prime is 622992211. The next prime is 622992221. The reversal of 622992216 is 612299226.

It is an interprime number because it is at equal distance from previous prime (622992211) and next prime (622992221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622992211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385426 + ... + 387038.

It is an arithmetic number, because the mean of its divisors is an integer number (10733100).

Almost surely, 2^622992216 is an apocalyptic number.

622992216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622992216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030377600).

622992216 is an abundant number, since it is smaller than the sum of its proper divisors (1437762984).

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

622992216 is a wasteful number, since it uses less digits than its factorization.

622992216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1655 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 622992216 is about 24959.8120185229. The cubic root of 622992216 is about 854.0714545861.

The spelling of 622992216 in words is "six hundred twenty-two million, nine hundred ninety-two thousand, two hundred sixteen".