2122573615 has 4 divisors (see below), whose sum is σ = 2547088344. Its totient is φ = 1698058888.

The previous prime is 2122573591. The next prime is 2122573631. The reversal of 2122573615 is 5163752212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122573615 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212257357 + ... + 212257366.

It is an arithmetic number, because the mean of its divisors is an integer number (636772086).

Almost surely, 2^2122573615 is an apocalyptic number.

2122573615 is a deficient number, since it is larger than the sum of its proper divisors (424514729).

2122573615 is an equidigital number, since it uses as much as digits as its factorization.

2122573615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424514728.

The product of its digits is 25200, while the sum is 34.

The square root of 2122573615 is about 46071.3969291143. The cubic root of 2122573615 is about 1285.1512819816.

The spelling of 2122573615 in words is "two billion, one hundred twenty-two million, five hundred seventy-three thousand, six hundred fifteen".