622887412 has 72 divisors (see below), whose sum is σ = 1413417600. Its totient is φ = 238000896.

The previous prime is 622887389. The next prime is 622887413. The reversal of 622887412 is 214788226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622887413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58389 + ... + 68227.

It is an arithmetic number, because the mean of its divisors is an integer number (19630800).

Almost surely, 2^622887412 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 622887412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706708800).

622887412 is an abundant number, since it is smaller than the sum of its proper divisors (790530188).

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

622887412 is a wasteful number, since it uses less digits than its factorization.

622887412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893 (or 9884 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 622887412 is about 24957.7124753051. The cubic root of 622887412 is about 854.0235593250.

The spelling of 622887412 in words is "six hundred twenty-two million, eight hundred eighty-seven thousand, four hundred twelve".