2228140 has 24 divisors (see below), whose sum is σ = 4807152. Its totient is φ = 866880.

The previous prime is 2228137. The next prime is 2228143. The reversal of 2228140 is 418222.

It is an interprime number because it is at equal distance from previous prime (2228137) and next prime (2228143).

It is not an unprimeable number, because it can be changed into a prime (2228143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 2245.

It is an arithmetic number, because the mean of its divisors is an integer number (200298).

2^2228140 is an apocalyptic number.

2228140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228140 is an abundant number, since it is smaller than the sum of its proper divisors (2579012).

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

2228140 is a wasteful number, since it uses less digits than its factorization.

2228140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3055 counting only the distinct ones).

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

The square root of 2228140 is about 1492.6955483286. The cubic root of 2228140 is about 130.6113219502.

The spelling of 2228140 in words is "two million, two hundred twenty-eight thousand, one hundred forty".