2270928 has 120 divisors (see below), whose sum is σ = 7124544. Its totient is φ = 619520.

The previous prime is 2270921. The next prime is 2270929. The reversal of 2270928 is 8290722.

It is a super-2 number, since 2×2270928² = 10314227962368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2270895 and 2270904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98725 + ... + 98747.

2^2270928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2270928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562272).

2270928 is an abundant number, since it is smaller than the sum of its proper divisors (4853616).

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

2270928 is a wasteful number, since it uses less digits than its factorization.

2270928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2270928 is about 1506.9598534798. The cubic root of 2270928 is about 131.4420897068.

The spelling of 2270928 in words is "two million, two hundred seventy thousand, nine hundred twenty-eight".