2122232091 has 24 divisors (see below), whose sum is σ = 3294527040. Its totient is φ = 1211635152.

The previous prime is 2122232087. The next prime is 2122232107. The reversal of 2122232091 is 1902322212.

It is not a de Polignac number, because 2122232091 - 2² = 2122232087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122212091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179340 + ... + 190806.

It is an arithmetic number, because the mean of its divisors is an integer number (137271960).

Almost surely, 2^2122232091 is an apocalyptic number.

2122232091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2122232091 is a deficient number, since it is larger than the sum of its proper divisors (1172294949).

2122232091 is a wasteful number, since it uses less digits than its factorization.

2122232091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743 (or 12736 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2122232091 is about 46067.6903154478. The cubic root of 2122232091 is about 1285.0823509528.

The spelling of 2122232091 in words is "two billion, one hundred twenty-two million, two hundred thirty-two thousand, ninety-one".