2247156 has 24 divisors (see below), whose sum is σ = 5826240. Its totient is φ = 749016.

The previous prime is 2247143. The next prime is 2247163. The reversal of 2247156 is 6517422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10296 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (242760).

2^2247156 is an apocalyptic number.

It is an amenable number.

2247156 is an abundant number, since it is smaller than the sum of its proper divisors (3579084).

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

2247156 is a wasteful number, since it uses less digits than its factorization.

2247156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820 (or 20812 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2247156 is about 1499.0517002425. The cubic root of 2247156 is about 130.9818361468.

The spelling of 2247156 in words is "two million, two hundred forty-seven thousand, one hundred fifty-six".