2240536 has 16 divisors (see below), whose sum is σ = 4222800. Its totient is φ = 1114464.

The previous prime is 2240533. The next prime is 2240551. The reversal of 2240536 is 6350422.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 4⁷ + 0 + 5⁷ + 3⁷ + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (263925).

2^2240536 is an apocalyptic number.

It is an amenable number.

2240536 is a deficient number, since it is larger than the sum of its proper divisors (1982264).

2240536 is a wasteful number, since it uses less digits than its factorization.

2240536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2240536 is about 1496.8420090310. The cubic root of 2240536 is about 130.8530878344.

Adding to 2240536 its reverse (6350422), we get a palindrome (8590958).

The spelling of 2240536 in words is "two million, two hundred forty thousand, five hundred thirty-six".