214445252 has 24 divisors (see below), whose sum is σ = 439353600. Its totient is φ = 89663040.

The previous prime is 214445251. The next prime is 214445323. The reversal of 214445252 is 252544412.

It is a super-2 number, since 2×214445252² = 91973532210687008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214445251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92252 + ... + 94547.

It is an arithmetic number, because the mean of its divisors is an integer number (18306400).

Almost surely, 2^214445252 is an apocalyptic number.

It is an amenable number.

214445252 is an abundant number, since it is smaller than the sum of its proper divisors (224908348).

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

214445252 is a wasteful number, since it uses less digits than its factorization.

214445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186851 (or 186849 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 214445252 is about 14643.9493306963. The cubic root of 214445252 is about 598.5569506485.

Adding to 214445252 its reverse (252544412), we get a palindrome (466989664).

The spelling of 214445252 in words is "two hundred fourteen million, four hundred forty-five thousand, two hundred fifty-two".