2669638422 has 32 divisors (see below), whose sum is σ = 5833194624. Its totient is φ = 807796800.

The previous prime is 2669638421. The next prime is 2669638427. The reversal of 2669638422 is 2248369662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669638421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16338 + ... + 74874.

It is an arithmetic number, because the mean of its divisors is an integer number (182287332).

Almost surely, 2^2669638422 is an apocalyptic number.

2669638422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2669638422 is an abundant number, since it is smaller than the sum of its proper divisors (3163556202).

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

2669638422 is a wasteful number, since it uses less digits than its factorization.

2669638422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59244.

The product of its digits is 1492992, while the sum is 48.

The square root of 2669638422 is about 51668.5438347163. The cubic root of 2669638422 is about 1387.2374824827.

The spelling of 2669638422 in words is "two billion, six hundred sixty-nine million, six hundred thirty-eight thousand, four hundred twenty-two".