2281542 has 16 divisors (see below), whose sum is σ = 4626480. Its totient is φ = 749952.

The previous prime is 2281529. The next prime is 2281567. The reversal of 2281542 is 2451822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167 + ... + 3042.

It is an arithmetic number, because the mean of its divisors is an integer number (289155).

2^2281542 is an apocalyptic number.

2281542 is an abundant number, since it is smaller than the sum of its proper divisors (2344938).

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

2281542 is a wasteful number, since it uses less digits than its factorization.

2281542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287.

The product of its digits is 1280, while the sum is 24.

The square root of 2281542 is about 1510.4774079740. The cubic root of 2281542 is about 131.6465521446.

Adding to 2281542 its product of digits (1280), we get a palindrome (2282822).

It can be divided in two parts, 228 and 1542, that added together give a triangular number (1770 = T₅₉).

The spelling of 2281542 in words is "two million, two hundred eighty-one thousand, five hundred forty-two".