2297546021 has 8 divisors (see below), whose sum is σ = 2307907800. Its totient is φ = 2287208448.

The previous prime is 2297546003. The next prime is 2297546071. The reversal of 2297546021 is 1206457922.

It can be written as a sum of positive squares in 4 ways, for example, as 548215396 + 1749330625 = 23414^2 + 41825^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2297546021 is a prime.

It is a super-2 number, since 2×2297546021² = 10557435437225864882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297546071) 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, 199595 + ... + 210791.

It is an arithmetic number, because the mean of its divisors is an integer number (288488475).

Almost surely, 2^2297546021 is an apocalyptic number.

It is an amenable number.

2297546021 is a deficient number, since it is larger than the sum of its proper divisors (10361779).

2297546021 is a wasteful number, since it uses less digits than its factorization.

2297546021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2297546021 is about 47932.7239054907. The cubic root of 2297546021 is about 1319.5364957048.

The spelling of 2297546021 in words is "two billion, two hundred ninety-seven million, five hundred forty-six thousand, twenty-one".