2638934622 has 24 divisors (see below), whose sum is σ = 5746431600. Its totient is φ = 875223360.

The previous prime is 2638934621. The next prime is 2638934677. The reversal of 2638934622 is 2264398362.

It is a happy number.

2638934622 is a `hidden beast` number, since 2 + 638 + 9 + 3 + 4 + 6 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638934621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364779 + ... + 371942.

It is an arithmetic number, because the mean of its divisors is an integer number (239434650).

Almost surely, 2^2638934622 is an apocalyptic number.

2638934622 is an abundant number, since it is smaller than the sum of its proper divisors (3107496978).

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

2638934622 is a wasteful number, since it uses less digits than its factorization.

2638934622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736928 (or 736925 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 2638934622 is about 51370.5618228962. The cubic root of 2638934622 is about 1381.8987065212.

The spelling of 2638934622 in words is "two billion, six hundred thirty-eight million, nine hundred thirty-four thousand, six hundred twenty-two".