6622764438 has 16 divisors (see below), whose sum is σ = 13246790256. Its totient is φ = 2207377920.

The previous prime is 6622764413. The next prime is 6622764451. The reversal of 6622764438 is 8344672266.

It is a super-2 number, since 2×6622764438² = 87722017602474911688, which contains 22 as substring.

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, 24358 + ... + 117638.

It is an arithmetic number, because the mean of its divisors is an integer number (827924391).

Almost surely, 2^6622764438 is an apocalyptic number.

6622764438 is an abundant number, since it is smaller than the sum of its proper divisors (6624025818).

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

6622764438 is a wasteful number, since it uses less digits than its factorization.

6622764438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105119.

The product of its digits is 2322432, while the sum is 48.

The square root of 6622764438 is about 81380.3688735803. The cubic root of 6622764438 is about 1877.9315977540.

The spelling of 6622764438 in words is "six billion, six hundred twenty-two million, seven hundred sixty-four thousand, four hundred thirty-eight".