2533444 has 12 divisors (see below), whose sum is σ = 4576768. Its totient is φ = 1225800.

The previous prime is 2533429. The next prime is 2533499. The reversal of 2533444 is 4443352.

It is a super-2 number, since 2×2533444² = 12836677002272, which contains 22 as substring.

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, 10092 + ... + 10339.

2^2533444 is an apocalyptic number.

It is an amenable number.

2533444 is a deficient number, since it is larger than the sum of its proper divisors (2043324).

2533444 is a wasteful number, since it uses less digits than its factorization.

2533444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466 (or 20464 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 2533444 is about 1591.6796160032. The cubic root of 2533444 is about 136.3234085244.

Adding to 2533444 its reverse (4443352), we get a palindrome (6976796).

The spelling of 2533444 in words is "two million, five hundred thirty-three thousand, four hundred forty-four".