2290292449 has 3 divisors (see below), whose sum is σ = 2290340307. Its totient is φ = 2290244592.

The previous prime is 2290292441. The next prime is 2290292491. The reversal of 2290292449 is 9442920922.

It is a happy number.

The square root of 2290292449 is 47857.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1251390625 + 1038901824 = 35375^2 + 32232^2 .

It is not a de Polignac number, because 2290292449 - 2³ = 2290292441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2290292441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23929 + ... + 71785.

It is an arithmetic number, because the mean of its divisors is an integer number (763446769).

Almost surely, 2^2290292449 is an apocalyptic number.

2290292449 is the 47857-th square number.

2290292449 is the 23929-th centered octagonal number.

It is an amenable number.

2290292449 is a deficient number, since it is larger than the sum of its proper divisors (47858).

2290292449 is an frugal number, since it uses more digits than its factorization.

2290292449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95714 (or 47857 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The cubic root of 2290292449 is about 1318.1463975809.

Multiplying 2290292449 by its product of nonzero digits (186624), we get a square (427423538002176 = 20674224²).

The spelling of 2290292449 in words is "two billion, two hundred ninety million, two hundred ninety-two thousand, four hundred forty-nine".