2122642634 has 8 divisors (see below), whose sum is σ = 3638815968. Its totient is φ = 909703980.

The previous prime is 2122642619. The next prime is 2122642637. The reversal of 2122642634 is 4362462212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2122642634² = 9011223503348915912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2122642634.

It is not an unprimeable number, because it can be changed into a prime (2122642637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75808652 + ... + 75808679.

It is an arithmetic number, because the mean of its divisors is an integer number (454851996).

Almost surely, 2^2122642634 is an apocalyptic number.

2122642634 is a deficient number, since it is larger than the sum of its proper divisors (1516173334).

2122642634 is a wasteful number, since it uses less digits than its factorization.

2122642634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151617340.

The product of its digits is 27648, while the sum is 32.

The square root of 2122642634 is about 46072.1459669506. The cubic root of 2122642634 is about 1285.1652114388.

The spelling of 2122642634 in words is "two billion, one hundred twenty-two million, six hundred forty-two thousand, six hundred thirty-four".