2253868 has 6 divisors (see below), whose sum is σ = 3944276. Its totient is φ = 1126932.

The previous prime is 2253863. The next prime is 2253871. The reversal of 2253868 is 8683522.

It is a super-2 number, since 2×2253868² = 10159841922848, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁹ + 5⁵ + 3¹³ + 8³ + 6² + 8³ .

It is not an unprimeable number, because it can be changed into a prime (2253863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281730 + ... + 281737.

2^2253868 is an apocalyptic number.

It is an amenable number.

2253868 is a deficient number, since it is larger than the sum of its proper divisors (1690408).

2253868 is a wasteful number, since it uses less digits than its factorization.

2253868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563471 (or 563469 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2253868 is about 1501.2887796823. The cubic root of 2253868 is about 131.1121158168.

The spelling of 2253868 in words is "two million, two hundred fifty-three thousand, eight hundred sixty-eight".