2122164634 has 16 divisors (see below), whose sum is σ = 3218541480. Its totient is φ = 1049359360.

The previous prime is 2122164607. The next prime is 2122164647. The reversal of 2122164634 is 4364612212.

It can be written as a sum of positive squares in 4 ways, for example, as 1237280625 + 884884009 = 35175^2 + 29747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2122164596 and 2122164605.

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, 94002 + ... + 114370.

Almost surely, 2^2122164634 is an apocalyptic number.

2122164634 is a deficient number, since it is larger than the sum of its proper divisors (1096376846).

2122164634 is a wasteful number, since it uses less digits than its factorization.

2122164634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945.

The product of its digits is 13824, while the sum is 31.

The square root of 2122164634 is about 46066.9581587497. The cubic root of 2122164634 is about 1285.0687349870.

Adding to 2122164634 its reverse (4364612212), we get a palindrome (6486776846).

The spelling of 2122164634 in words is "two billion, one hundred twenty-two million, one hundred sixty-four thousand, six hundred thirty-four".