2222872 has 8 divisors (see below), whose sum is σ = 4167900. Its totient is φ = 1111432.

The previous prime is 2222839. The next prime is 2222893. The reversal of 2222872 is 2782222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138922 + ... + 138937.

2^2222872 is an apocalyptic number.

It is an amenable number.

2222872 is a deficient number, since it is larger than the sum of its proper divisors (1945028).

2222872 is a wasteful number, since it uses less digits than its factorization.

2222872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277865 (or 277861 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 2222872 is about 1490.9299111628. The cubic root of 2222872 is about 130.5083057695.

The spelling of 2222872 in words is "two million, two hundred twenty-two thousand, eight hundred seventy-two".