2249128 has 16 divisors (see below), whose sum is σ = 4819680. Its totient is φ = 963888.

The previous prime is 2249113. The next prime is 2249141. The reversal of 2249128 is 8219422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2249096 and 2249105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20026 + ... + 20137.

It is an arithmetic number, because the mean of its divisors is an integer number (301230).

2^2249128 is an apocalyptic number.

2249128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2249128 is an abundant number, since it is smaller than the sum of its proper divisors (2570552).

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

2249128 is a wasteful number, since it uses less digits than its factorization.

2249128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40176 (or 40172 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2249128 is about 1499.7093051655. The cubic root of 2249128 is about 131.0201394750.

The spelling of 2249128 in words is "two million, two hundred forty-nine thousand, one hundred twenty-eight".