252222214 has 4 divisors (see below), whose sum is σ = 378333324. Its totient is φ = 126111106.

The previous prime is 252222211. The next prime is 252222259. The reversal of 252222214 is 412222252.

It is a semiprime because it is the product of two primes.

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 (252222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63055552 + ... + 63055555.

It is an arithmetic number, because the mean of its divisors is an integer number (94583331).

Almost surely, 2^252222214 is an apocalyptic number.

252222214 is a deficient number, since it is larger than the sum of its proper divisors (126111110).

252222214 is a wasteful number, since it uses less digits than its factorization.

252222214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126111109.

The product of its digits is 1280, while the sum is 22.

The square root of 252222214 is about 15881.5054072339. The cubic root of 252222214 is about 631.8215644181.

Adding to 252222214 its reverse (412222252), we get a palindrome (664444466).

The spelling of 252222214 in words is "two hundred fifty-two million, two hundred twenty-two thousand, two hundred fourteen".