2122760690 has 32 divisors (see below), whose sum is σ = 3872727936. Its totient is φ = 837633280.

The previous prime is 2122760683. The next prime is 2122760699. The reversal of 2122760690 is 960672212.

It is a super-2 number, since 2×2122760690² = 9012225894018552200, 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 2122760690.

It is not an unprimeable number, because it can be changed into a prime (2122760699) 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 15 ways as a sum of consecutive naturals, for example, 729779 + ... + 732681.

It is an arithmetic number, because the mean of its divisors is an integer number (121022748).

Almost surely, 2^2122760690 is an apocalyptic number.

2122760690 is a deficient number, since it is larger than the sum of its proper divisors (1749967246).

2122760690 is a wasteful number, since it uses less digits than its factorization.

2122760690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2122760690 is about 46073.4271570935. The cubic root of 2122760690 is about 1285.1890368736.

The spelling of 2122760690 in words is "two billion, one hundred twenty-two million, seven hundred sixty thousand, six hundred ninety".