2322190721 has 4 divisors (see below), whose sum is σ = 2356850352. Its totient is φ = 2287531092.

The previous prime is 2322190693. The next prime is 2322190727. The reversal of 2322190721 is 1270912232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2322190721 - 2¹⁰ = 2322189697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2322190727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17329715 + ... + 17329848.

It is an arithmetic number, because the mean of its divisors is an integer number (589212588).

Almost surely, 2^2322190721 is an apocalyptic number.

It is an amenable number.

2322190721 is a deficient number, since it is larger than the sum of its proper divisors (34659631).

2322190721 is an equidigital number, since it uses as much as digits as its factorization.

2322190721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34659630.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2322190721 is about 48189.1141337958. The cubic root of 2322190721 is about 1324.2377428408.

The spelling of 2322190721 in words is "two billion, three hundred twenty-two million, one hundred ninety thousand, seven hundred twenty-one".