2292730445 has 16 divisors (see below), whose sum is σ = 2849161392. Its totient is φ = 1770063360.

The previous prime is 2292730441. The next prime is 2292730471. The reversal of 2292730445 is 5440372922.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 44521 + 2292685924 = 211^2 + 47882^2 .

It is not a de Polignac number, because 2292730445 - 2² = 2292730441 is a prime.

It is a super-2 number, since 2×2292730445² = 10513225786859796050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2292730399 and 2292730408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292730441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54752 + ... + 87081.

It is an arithmetic number, because the mean of its divisors is an integer number (178072587).

Almost surely, 2^2292730445 is an apocalyptic number.

It is an amenable number.

2292730445 is a deficient number, since it is larger than the sum of its proper divisors (556430947).

2292730445 is a wasteful number, since it uses less digits than its factorization.

2292730445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141952.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2292730445 is about 47882.4649010470. The cubic root of 2292730445 is about 1318.6139501016.

The spelling of 2292730445 in words is "two billion, two hundred ninety-two million, seven hundred thirty thousand, four hundred forty-five".