222402250 has 64 divisors (see below), whose sum is σ = 479291904. Its totient is φ = 75696000.

The previous prime is 222402233. The next prime is 222402251. The reversal of 222402250 is 52204222.

It is not an unprimeable number, because it can be changed into a prime (222402251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291870 + ... + 292630.

It is an arithmetic number, because the mean of its divisors is an integer number (7488936).

Almost surely, 2^222402250 is an apocalyptic number.

222402250 is an abundant number, since it is smaller than the sum of its proper divisors (256889654).

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

222402250 is a wasteful number, since it uses less digits than its factorization.

222402250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 222402250 is about 14913.1569427804. The cubic root of 222402250 is about 605.8703862187.

Adding to 222402250 its reverse (52204222), we get a palindrome (274606472).

The spelling of 222402250 in words is "two hundred twenty-two million, four hundred two thousand, two hundred fifty".