622774152 has 192 divisors, whose sum is σ = 2264895360. Its totient is φ = 149299200.

The previous prime is 622774147. The next prime is 622774171. The reversal of 622774152 is 251477226.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67752 + ... + 76392.

It is an arithmetic number, because the mean of its divisors is an integer number (11796330).

Almost surely, 2^622774152 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 622774152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132447680).

622774152 is an abundant number, since it is smaller than the sum of its proper divisors (1642121208).

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

622774152 is a wasteful number, since it uses less digits than its factorization.

622774152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684 (or 8677 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 622774152 is about 24955.4433340704. The cubic root of 622774152 is about 853.9717936449.

The spelling of 622774152 in words is "six hundred twenty-two million, seven hundred seventy-four thousand, one hundred fifty-two".