2575221802 has 4 divisors (see below), whose sum is σ = 3862832706. Its totient is φ = 1287610900.

The previous prime is 2575221763. The next prime is 2575221821. The reversal of 2575221802 is 2081225752.

2575221802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2517932041 + 57289761 = 50179^2 + 7569^2 .

It is a super-3 number, since 3×2575221802³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643805449 + ... + 643805452.

Almost surely, 2^2575221802 is an apocalyptic number.

2575221802 is a deficient number, since it is larger than the sum of its proper divisors (1287610904).

2575221802 is a wasteful number, since it uses less digits than its factorization.

2575221802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287610903.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2575221802 is about 50746.6432584462. The cubic root of 2575221802 is about 1370.6867464640.

The spelling of 2575221802 in words is "two billion, five hundred seventy-five million, two hundred twenty-one thousand, eight hundred two".