622525384 has 64 divisors (see below), whose sum is σ = 1303626240. Its totient is φ = 276756480.

The previous prime is 622525381. The next prime is 622525391. The reversal of 622525384 is 483525226.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (622525381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137799 + ... + 1138345.

It is an arithmetic number, because the mean of its divisors is an integer number (20369160).

Almost surely, 2^622525384 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 622525384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651813120).

622525384 is an abundant number, since it is smaller than the sum of its proper divisors (681100856).

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

622525384 is a wasteful number, since it uses less digits than its factorization.

622525384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 946 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 622525384 is about 24950.4585929798. The cubic root of 622525384 is about 853.8580717617.

The spelling of 622525384 in words is "six hundred twenty-two million, five hundred twenty-five thousand, three hundred eighty-four".