622565112 has 64 divisors (see below), whose sum is σ = 1679892480. Its totient is φ = 191129472.

The previous prime is 622565107. The next prime is 622565123. The reversal of 622565112 is 211565226.

It is a self number, because there is not a number n which added to its sum of digits gives 622565112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154953 + ... + 158919.

It is an arithmetic number, because the mean of its divisors is an integer number (26248320).

Almost surely, 2^622565112 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 622565112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839946240).

622565112 is an abundant number, since it is smaller than the sum of its proper divisors (1057327368).

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

622565112 is a wasteful number, since it uses less digits than its factorization.

622565112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4488 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 622565112 is about 24951.2547179496. The cubic root of 622565112 is about 853.8762350649.

The spelling of 622565112 in words is "six hundred twenty-two million, five hundred sixty-five thousand, one hundred twelve".