2290222921 has 8 divisors (see below), whose sum is σ = 2617763904. Its totient is φ = 1962773520.

The previous prime is 2290222873. The next prime is 2290222927. The reversal of 2290222921 is 1292220922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2290222921 - 2⁷ = 2290222793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2290222927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43566 + ... + 80488.

It is an arithmetic number, because the mean of its divisors is an integer number (327220488).

Almost surely, 2^2290222921 is an apocalyptic number.

It is an amenable number.

2290222921 is a deficient number, since it is larger than the sum of its proper divisors (327540983).

2290222921 is an equidigital number, since it uses as much as digits as its factorization.

2290222921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45791.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2290222921 is about 47856.2735803782. The cubic root of 2290222921 is about 1318.1330588170.

The spelling of 2290222921 in words is "two billion, two hundred ninety million, two hundred twenty-two thousand, nine hundred twenty-one".