2562270866 has 4 divisors (see below), whose sum is σ = 3843406302. Its totient is φ = 1281135432.

The previous prime is 2562270853. The next prime is 2562270877. The reversal of 2562270866 is 6680722652.

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., 2325264841 + 237006025 = 48221^2 + 15395^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640567715 + ... + 640567718.

Almost surely, 2^2562270866 is an apocalyptic number.

2562270866 is a deficient number, since it is larger than the sum of its proper divisors (1281135436).

2562270866 is a wasteful number, since it uses less digits than its factorization.

2562270866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281135435.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 2562270866 is about 50618.8785533619. The cubic root of 2562270866 is about 1368.3851301142.

The spelling of 2562270866 in words is "two billion, five hundred sixty-two million, two hundred seventy thousand, eight hundred sixty-six".