622761340 has 96 divisors (see below), whose sum is σ = 1461608064. Its totient is φ = 221675520.

The previous prime is 622761331. The next prime is 622761353. The reversal of 622761340 is 43167226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758130 + ... + 758950.

It is an arithmetic number, because the mean of its divisors is an integer number (15225084).

Almost surely, 2^622761340 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 622761340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730804032).

622761340 is an abundant number, since it is smaller than the sum of its proper divisors (838846724).

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

622761340 is a wasteful number, since it uses less digits than its factorization.

622761340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 622761340 is about 24955.1866352468. The cubic root of 622761340 is about 853.9659375028.

The spelling of 622761340 in words is "six hundred twenty-two million, seven hundred sixty-one thousand, three hundred forty".