2122356677 has 32 divisors (see below), whose sum is σ = 2705875200. Its totient is φ = 1623283200.

The previous prime is 2122356661. The next prime is 2122356697. The reversal of 2122356677 is 7766532212.

It is not a de Polignac number, because 2122356677 - 2⁴ = 2122356661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122356697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151427 + ... + 164847.

It is an arithmetic number, because the mean of its divisors is an integer number (84558600).

Almost surely, 2^2122356677 is an apocalyptic number.

It is an amenable number.

2122356677 is a deficient number, since it is larger than the sum of its proper divisors (583518523).

2122356677 is a wasteful number, since it uses less digits than its factorization.

2122356677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517.

The product of its digits is 211680, while the sum is 41.

The square root of 2122356677 is about 46069.0425014456. The cubic root of 2122356677 is about 1285.1074974542.

Adding to 2122356677 its reverse (7766532212), we get a palindrome (9888888889).

The spelling of 2122356677 in words is "two billion, one hundred twenty-two million, three hundred fifty-six thousand, six hundred seventy-seven".