2140228 has 12 divisors (see below), whose sum is σ = 3846892. Its totient is φ = 1041120.

The previous prime is 2140223. The next prime is 2140231. The reversal of 2140228 is 8220412.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 1183744 = 978^2 + 1088^2 .

It is not an unprimeable number, because it can be changed into a prime (2140223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7083 + ... + 7378.

2^2140228 is an apocalyptic number.

It is an amenable number.

2140228 is a deficient number, since it is larger than the sum of its proper divisors (1706664).

2140228 is a wasteful number, since it uses less digits than its factorization.

2140228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14502 (or 14500 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2140228 is about 1462.9518105529. The cubic root of 2140228 is about 128.8704506368.

The spelling of 2140228 in words is "two million, one hundred forty thousand, two hundred twenty-eight".