222422250 has 32 divisors (see below), whose sum is σ = 555167808. Its totient is φ = 59312400.

The previous prime is 222422177. The next prime is 222422267. The reversal of 222422250 is 52224222.

222422250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147532 + ... + 149031.

It is an arithmetic number, because the mean of its divisors is an integer number (17348994).

Almost surely, 2^222422250 is an apocalyptic number.

222422250 is an abundant number, since it is smaller than the sum of its proper divisors (332745558).

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

222422250 is a wasteful number, since it uses less digits than its factorization.

222422250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296583 (or 296573 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 222422250 is about 14913.8274765400. The cubic root of 222422250 is about 605.8885470729. Note that the first 3 decimals are identical.

Adding to 222422250 its reverse (52224222), we get a palindrome (274646472).

The spelling of 222422250 in words is "two hundred twenty-two million, four hundred twenty-two thousand, two hundred fifty".