2122768594 has 4 divisors (see below), whose sum is σ = 3184152894. Its totient is φ = 1061384296.

The previous prime is 2122768589. The next prime is 2122768639. The reversal of 2122768594 is 4958672212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1965592225 + 157176369 = 44335^2 + 12537^2 .

It is a super-2 number, since 2×2122768594² = 9012293007345473672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530692147 + ... + 530692150.

Almost surely, 2^2122768594 is an apocalyptic number.

2122768594 is a deficient number, since it is larger than the sum of its proper divisors (1061384300).

2122768594 is a wasteful number, since it uses less digits than its factorization.

2122768594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061384299.

The product of its digits is 483840, while the sum is 46.

The square root of 2122768594 is about 46073.5129331376. The cubic root of 2122768594 is about 1285.1906319854.

The spelling of 2122768594 in words is "two billion, one hundred twenty-two million, seven hundred sixty-eight thousand, five hundred ninety-four".