2252406 has 32 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 681120.

The previous prime is 2252399. The next prime is 2252407. The reversal of 2252406 is 6042522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5011 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2^2252406 is an apocalyptic number.

2252406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2252406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467584).

2252406 is an abundant number, since it is smaller than the sum of its proper divisors (2682762).

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

2252406 is a wasteful number, since it uses less digits than its factorization.

2252406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2252406 is about 1500.8017857132. The cubic root of 2252406 is about 131.0837605072.

Adding to 2252406 its reverse (6042522), we get a palindrome (8294928).

The spelling of 2252406 in words is "two million, two hundred fifty-two thousand, four hundred six".