252242266 has 4 divisors (see below), whose sum is σ = 378363402. Its totient is φ = 126121132.

The previous prime is 252242231. The next prime is 252242267. The reversal of 252242266 is 662242252.

It is a happy number.

252242266 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 234978241 + 17264025 = 15329^2 + 4155^2 .

It is not an unprimeable number, because it can be changed into a prime (252242267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63060565 + ... + 63060568.

Almost surely, 2^252242266 is an apocalyptic number.

252242266 is a deficient number, since it is larger than the sum of its proper divisors (126121136).

252242266 is a wasteful number, since it uses less digits than its factorization.

252242266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126121135.

The product of its digits is 23040, while the sum is 31.

The square root of 252242266 is about 15882.1366950420. The cubic root of 252242266 is about 631.8383075248.

The spelling of 252242266 in words is "two hundred fifty-two million, two hundred forty-two thousand, two hundred sixty-six".