2122351845 has 16 divisors (see below), whose sum is σ = 3397946112. Its totient is φ = 1131193280.

The previous prime is 2122351837. The next prime is 2122351871. The reversal of 2122351845 is 5481532212.

It is not a de Polignac number, because 2122351845 - 2³ = 2122351837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20946 + ... + 68435.

It is an arithmetic number, because the mean of its divisors is an integer number (212371632).

Almost surely, 2^2122351845 is an apocalyptic number.

It is an amenable number.

2122351845 is a deficient number, since it is larger than the sum of its proper divisors (1275594267).

2122351845 is a wasteful number, since it uses less digits than its factorization.

2122351845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90972.

The product of its digits is 19200, while the sum is 33.

The square root of 2122351845 is about 46068.9900583896. The cubic root of 2122351845 is about 1285.1065221792.

The spelling of 2122351845 in words is "two billion, one hundred twenty-two million, three hundred fifty-one thousand, eight hundred forty-five".