2122616779692 has 48 divisors (see below), whose sum is σ = 5038041684480. Its totient is φ = 695363917248.

The previous prime is 2122616779691. The next prime is 2122616779693. The reversal of 2122616779692 is 2969776162212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2122616779691) and next prime (2122616779693).

It is a super-2 number, since 2×2122616779692² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2122616779691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314578 + ... + 3098790.

It is an arithmetic number, because the mean of its divisors is an integer number (104959201760).

Almost surely, 2^{2122616779692} is an apocalyptic number.

It is an amenable number.

2122616779692 is an abundant number, since it is smaller than the sum of its proper divisors (2915424904788).

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

2122616779692 is a wasteful number, since it uses less digits than its factorization.

2122616779692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788102 (or 788100 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The spelling of 2122616779692 in words is "two trillion, one hundred twenty-two billion, six hundred sixteen million, seven hundred seventy-nine thousand, six hundred ninety-two".