2230542 has 24 divisors (see below), whose sum is σ = 4894344. Its totient is φ = 734064.

The previous prime is 2230541. The next prime is 2230549. The reversal of 2230542 is 2450322.

It is a super-2 number, since 2×2230542² = 9950635227528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁷ + 3² + 0 + 5 + 4⁴ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 748 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (203931).

2^2230542 is an apocalyptic number.

It is a pronic number, being equal to 1493×1494.

2230542 is an abundant number, since it is smaller than the sum of its proper divisors (2663802).

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

2230542 is a wasteful number, since it uses less digits than its factorization.

2230542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2230542 is about 1493.4999163040. The cubic root of 2230542 is about 130.6582393681.

Adding to 2230542 its reverse (2450322), we get a palindrome (4680864).

It can be divided in two parts, 2230 and 542, that added together give a palindrome (2772).

The spelling of 2230542 in words is "two million, two hundred thirty thousand, five hundred forty-two".