622888464 has 80 divisors (see below), whose sum is σ = 1758816000. Its totient is φ = 188388480.

The previous prime is 622888459. The next prime is 622888499. The reversal of 622888464 is 464888226.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

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, 414787 + ... + 416285.

It is an arithmetic number, because the mean of its divisors is an integer number (21985200).

Almost surely, 2^622888464 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 622888464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879408000).

622888464 is an abundant number, since it is smaller than the sum of its proper divisors (1135927536).

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

622888464 is a wasteful number, since it uses less digits than its factorization.

622888464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 622888464 is about 24957.7335509457. The cubic root of 622888464 is about 854.0240401140.

The spelling of 622888464 in words is "six hundred twenty-two million, eight hundred eighty-eight thousand, four hundred sixty-four".