4022620660 has 24 divisors (see below), whose sum is σ = 8455917960. Its totient is φ = 1607445504.

The previous prime is 4022620643. The next prime is 4022620687. The reversal of 4022620660 is 660262204.

It can be written as a sum of positive squares in 4 ways, for example, as 13704804 + 4008915856 = 3702^2 + 63316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79489 + ... + 119848.

It is an arithmetic number, because the mean of its divisors is an integer number (352329915).

Almost surely, 2^4022620660 is an apocalyptic number.

It is an amenable number.

4022620660 is an abundant number, since it is smaller than the sum of its proper divisors (4433297300).

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

4022620660 is a wasteful number, since it uses less digits than its factorization.

4022620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200355 (or 200353 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4022620660 is about 63424.1331040480. The cubic root of 4022620660 is about 1590.3877671912.

Adding to 4022620660 its reverse (660262204), we get a palindrome (4682882864).

The spelling of 4022620660 in words is "four billion, twenty-two million, six hundred twenty thousand, six hundred sixty".