2274658021 has 12 divisors (see below), whose sum is σ = 2437750692. Its totient is φ = 2121878528.

The previous prime is 2274658003. The next prime is 2274658031. The reversal of 2274658021 is 1208564722.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 171976996 + 2102681025 = 13114^2 + 45855^2 .

It is not a de Polignac number, because 2274658021 - 2⁷ = 2274657893 is a prime.

It is a super-2 number, since 2×2274658021² = 10348138224999272882, 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 (2274658031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2170 + ... + 67483.

It is an arithmetic number, because the mean of its divisors is an integer number (203145891).

Almost surely, 2^2274658021 is an apocalyptic number.

It is an amenable number.

2274658021 is a deficient number, since it is larger than the sum of its proper divisors (163092671).

2274658021 is a wasteful number, since it uses less digits than its factorization.

2274658021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69800 (or 69783 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2274658021 is about 47693.3750221139. The cubic root of 2274658021 is about 1315.1401530563.

The spelling of 2274658021 in words is "two billion, two hundred seventy-four million, six hundred fifty-eight thousand, twenty-one".