622779130 has 32 divisors (see below), whose sum is σ = 1142689680. Its totient is φ = 244339200.

The previous prime is 622779049. The next prime is 622779167. The reversal of 622779130 is 31977226.

It can be written as a sum of positive squares in 8 ways, for example, as 367834041 + 254945089 = 19179^2 + 15967^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622779130.

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, 107262 + ... + 112918.

Almost surely, 2^622779130 is an apocalyptic number.

622779130 is a deficient number, since it is larger than the sum of its proper divisors (519910550).

622779130 is a wasteful number, since it uses less digits than its factorization.

622779130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 622779130 is about 24955.5430716304. The cubic root of 622779130 is about 853.9740689803.

The spelling of 622779130 in words is "six hundred twenty-two million, seven hundred seventy-nine thousand, one hundred thirty".