2253406 has 4 divisors (see below), whose sum is σ = 3380112. Its totient is φ = 1126702.

The previous prime is 2253397. The next prime is 2253409. The reversal of 2253406 is 6043522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6043522 = 2 ⋅3021761.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563350 + ... + 563353.

It is an arithmetic number, because the mean of its divisors is an integer number (845028).

2^2253406 is an apocalyptic number.

2253406 is a deficient number, since it is larger than the sum of its proper divisors (1126706).

2253406 is a wasteful number, since it uses less digits than its factorization.

2253406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126705.

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

The square root of 2253406 is about 1501.1349039976. The cubic root of 2253406 is about 131.1031567094.

Adding to 2253406 its reverse (6043522), we get a palindrome (8296928).

The spelling of 2253406 in words is "two million, two hundred fifty-three thousand, four hundred six".