252422243 has 4 divisors (see below), whose sum is σ = 260564928. Its totient is φ = 244279560.

The previous prime is 252422231. The next prime is 252422249. The reversal of 252422243 is 342224252.

It is a happy number.

252422243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 252422243 - 2¹² = 252418147 is a prime.

It is a super-2 number, since 2×252422243² = 127433977522302098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252422249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4071296 + ... + 4071357.

It is an arithmetic number, because the mean of its divisors is an integer number (65141232).

Almost surely, 2^252422243 is an apocalyptic number.

252422243 is a deficient number, since it is larger than the sum of its proper divisors (8142685).

252422243 is an equidigital number, since it uses as much as digits as its factorization.

252422243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142684.

The product of its digits is 7680, while the sum is 26.

The square root of 252422243 is about 15887.8017044524. The cubic root of 252422243 is about 631.9885457987.

Adding to 252422243 its reverse (342224252), we get a palindrome (594646495).

The spelling of 252422243 in words is "two hundred fifty-two million, four hundred twenty-two thousand, two hundred forty-three".