252022 has 4 divisors (see below), whose sum is σ = 378036. Its totient is φ = 126010.

The previous prime is 252017. The next prime is 252029. The reversal of 252022 is 220252.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 251993 and 252011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252029) by changing a digit.

252022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 63004 + ... + 63007.

It is an arithmetic number, because the mean of its divisors is an integer number (94509).

2²⁵²⁰²² is an apocalyptic number.

252022 is a deficient number, since it is larger than the sum of its proper divisors (126014).

252022 is a wasteful number, since it uses less digits than its factorization.

252022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126013.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 252022 is about 502.0179279667. The cubic root of 252022 is about 63.1654340171.

Adding to 252022 its reverse (220252), we get a palindrome (472274).

The spelling of 252022 in words is "two hundred fifty-two thousand, twenty-two".