622561152 has 64 divisors (see below), whose sum is σ = 1662192000. Its totient is φ = 206452224.

The previous prime is 622561151. The next prime is 622561153. The reversal of 622561152 is 251165226.

It is an interprime number because it is at equal distance from previous prime (622561151) and next prime (622561153).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622561151) 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, 72343 + ... + 80489.

It is an arithmetic number, because the mean of its divisors is an integer number (25971750).

Almost surely, 2^622561152 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 622561152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831096000).

622561152 is an abundant number, since it is smaller than the sum of its proper divisors (1039630848).

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

622561152 is a wasteful number, since it uses less digits than its factorization.

622561152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363 (or 8351 counting only the distinct ones).

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

The square root of 622561152 is about 24951.1753630966. The cubic root of 622561152 is about 853.8744246213.

The spelling of 622561152 in words is "six hundred twenty-two million, five hundred sixty-one thousand, one hundred fifty-two".