2216265874 has 4 divisors (see below), whose sum is σ = 3324398814. Its totient is φ = 1108132936.

The previous prime is 2216265859. The next prime is 2216265889. The reversal of 2216265874 is 4785626122.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2216265859) and next prime (2216265889).

It can be written as a sum of positive squares in only one way, i.e., 2213043849 + 3222025 = 47043^2 + 1795^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2216265874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554066467 + ... + 554066470.

Almost surely, 2^2216265874 is an apocalyptic number.

2216265874 is a deficient number, since it is larger than the sum of its proper divisors (1108132940).

2216265874 is a wasteful number, since it uses less digits than its factorization.

2216265874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108132939.

The product of its digits is 322560, while the sum is 43.

The square root of 2216265874 is about 47077.2330750226. The cubic root of 2216265874 is about 1303.7889213999.

The spelling of 2216265874 in words is "two billion, two hundred sixteen million, two hundred sixty-five thousand, eight hundred seventy-four".