2251070802 has 54 divisors (see below), whose sum is σ = 4994752581. Its totient is φ = 732710160.

The previous prime is 2251070777. The next prime is 2251070807. The reversal of 2251070802 is 2080701522.

2251070802 is a `hidden beast` number, since 2 + 2 + 510 + 70 + 80 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2135271681 + 115799121 = 46209^2 + 10761^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33549.

It is not an unprimeable number, because it can be changed into a prime (2251070807) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10668477 + ... + 10668687.

Almost surely, 2^2251070802 is an apocalyptic number.

2251070802 is an abundant number, since it is smaller than the sum of its proper divisors (2743681779).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251070802 is an equidigital number, since it uses as much as digits as its factorization.

2251070802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2251070802 is about 47445.4508040550. The cubic root of 2251070802 is about 1310.5785378497.

The spelling of 2251070802 in words is "two billion, two hundred fifty-one million, seventy thousand, eight hundred two".