2240156 has 6 divisors (see below), whose sum is σ = 3920280. Its totient is φ = 1120076.

The previous prime is 2240137. The next prime is 2240159. The reversal of 2240156 is 6510422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280016 + ... + 280023.

It is an arithmetic number, because the mean of its divisors is an integer number (653380).

2^2240156 is an apocalyptic number.

It is an amenable number.

2240156 is a deficient number, since it is larger than the sum of its proper divisors (1680124).

2240156 is a wasteful number, since it uses less digits than its factorization.

2240156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560043 (or 560041 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2240156 is about 1496.7150697444. The cubic root of 2240156 is about 130.8456897558.

Adding to 2240156 its reverse (6510422), we get a palindrome (8750578).

The spelling of 2240156 in words is "two million, two hundred forty thousand, one hundred fifty-six".