622152564 has 24 divisors (see below), whose sum is σ = 1583661408. Its totient is φ = 188531040.

The previous prime is 622152563. The next prime is 622152589. The reversal of 622152564 is 465251226.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622152563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356507 + ... + 2356770.

It is an arithmetic number, because the mean of its divisors is an integer number (65985892).

Almost surely, 2^622152564 is an apocalyptic number.

It is an amenable number.

622152564 is an abundant number, since it is smaller than the sum of its proper divisors (961508844).

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

622152564 is a wasteful number, since it uses less digits than its factorization.

622152564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713295 (or 4713293 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 622152564 is about 24942.9862686888. The cubic root of 622152564 is about 853.6875839689.

It can be divided in two parts, 6221 and 52564, that added together give a palindrome (58785).

The spelling of 622152564 in words is "six hundred twenty-two million, one hundred fifty-two thousand, five hundred sixty-four".