2270628 has 18 divisors (see below), whose sum is σ = 5739734. Its totient is φ = 756864.

The previous prime is 2270627. The next prime is 2270641. The reversal of 2270628 is 8260722.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 1065024 = 1098^2 + 1032^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2270627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31501 + ... + 31572.

2^2270628 is an apocalyptic number.

It is an amenable number.

2270628 is an abundant number, since it is smaller than the sum of its proper divisors (3469106).

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

2270628 is a wasteful number, since it uses less digits than its factorization.

2270628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63083 (or 63078 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2270628 is about 1506.8603120396. The cubic root of 2270628 is about 131.4363014177.

The spelling of 2270628 in words is "two million, two hundred seventy thousand, six hundred twenty-eight".