2252818 has 12 divisors (see below), whose sum is σ = 3452778. Its totient is φ = 1102400.

The previous prime is 2252779. The next prime is 2252821. The reversal of 2252818 is 8182522.

It can be written as a sum of positive squares in 3 ways, for example, as 2181529 + 71289 = 1477^2 + 267^2 .

It is a super-2 number, since 2×2252818² = 10150377882248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5418 + ... + 5818.

2^2252818 is an apocalyptic number.

2252818 is a deficient number, since it is larger than the sum of its proper divisors (1199960).

2252818 is an equidigital number, since it uses as much as digits as its factorization.

2252818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 456 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 2252818 is about 1500.9390394017. The cubic root of 2252818 is about 131.0917524378.

It can be divided in two parts, 22528 and 18, that multiplied together give a palindrome (405504).

The spelling of 2252818 in words is "two million, two hundred fifty-two thousand, eight hundred eighteen".