2251380074 has 16 divisors (see below), whose sum is σ = 3580485768. Its totient is φ = 1058061312.

The previous prime is 2251380049. The next prime is 2251380101. The reversal of 2251380074 is 4700831522.

It can be written as a sum of positive squares in 4 ways, for example, as 2246286025 + 5094049 = 47395^2 + 2257^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2251380074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17999 + ... + 69474.

Almost surely, 2^2251380074 is an apocalyptic number.

2251380074 is a deficient number, since it is larger than the sum of its proper divisors (1329105694).

2251380074 is a wasteful number, since it uses less digits than its factorization.

2251380074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88249.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2251380074 is about 47448.7099297758. The cubic root of 2251380074 is about 1310.6385547217.

The spelling of 2251380074 in words is "two billion, two hundred fifty-one million, three hundred eighty thousand, seventy-four".