2267370721 has 24 divisors (see below), whose sum is σ = 2940180992. Its totient is φ = 1709769600.

The previous prime is 2267370709. The next prime is 2267370731. The reversal of 2267370721 is 1270737622.

It is not a de Polignac number, because 2267370721 - 2⁵ = 2267370689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2267370731) 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, 16920 + ... + 69433.

Almost surely, 2^2267370721 is an apocalyptic number.

It is an amenable number.

2267370721 is a deficient number, since it is larger than the sum of its proper divisors (672810271).

2267370721 is a wasteful number, since it uses less digits than its factorization.

2267370721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86413 (or 86402 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 2267370721 is about 47616.9163323288. The cubic root of 2267370721 is about 1313.7342166422.

The spelling of 2267370721 in words is "two billion, two hundred sixty-seven million, three hundred seventy thousand, seven hundred twenty-one".