2290476645 has 24 divisors (see below), whose sum is σ = 3990328056. Its totient is φ = 1215381888.

The previous prime is 2290476641. The next prime is 2290476647. The reversal of 2290476645 is 5466740922.

It can be written as a sum of positive squares in 4 ways, for example, as 604717281 + 1685759364 = 24591^2 + 41058^2 .

It is not a de Polignac number, because 2290476645 - 2² = 2290476641 is a prime.

It is a super-2 number, since 2×2290476645² = 10492566522580912050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2290476645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290476641) 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, 120322 + ... + 138051.

It is an arithmetic number, because the mean of its divisors is an integer number (166263669).

Almost surely, 2^2290476645 is an apocalyptic number.

It is an amenable number.

2290476645 is a deficient number, since it is larger than the sum of its proper divisors (1699851411).

2290476645 is a wasteful number, since it uses less digits than its factorization.

2290476645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258581 (or 258578 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 2290476645 is about 47858.9244028739. The cubic root of 2290476645 is about 1318.1817337938.

The spelling of 2290476645 in words is "two billion, two hundred ninety million, four hundred seventy-six thousand, six hundred forty-five".