2270538 has 32 divisors (see below), whose sum is σ = 5313600. Its totient is φ = 716688.

The previous prime is 2270531. The next prime is 2270549. The reversal of 2270538 is 8350722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2270531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (166050).

2^2270538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2270538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2656800).

2270538 is an abundant number, since it is smaller than the sum of its proper divisors (3043062).

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

2270538 is a wasteful number, since it uses less digits than its factorization.

2270538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2270538 is about 1506.8304483252. The cubic root of 2270538 is about 131.4345648316.

The spelling of 2270538 in words is "two million, two hundred seventy thousand, five hundred thirty-eight".