222945250 has 32 divisors (see below), whose sum is σ = 455300352. Its totient is φ = 81070000.

The previous prime is 222945227. The next prime is 222945253. The reversal of 222945250 is 52549222.

It is not an unprimeable number, because it can be changed into a prime (222945253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37786 + ... + 43285.

It is an arithmetic number, because the mean of its divisors is an integer number (14228136).

Almost surely, 2^222945250 is an apocalyptic number.

222945250 is an abundant number, since it is smaller than the sum of its proper divisors (232355102).

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

222945250 is a wasteful number, since it uses less digits than its factorization.

222945250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81099 (or 81089 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 222945250 is about 14931.3512449477. The cubic root of 222945250 is about 606.3630674435.

The spelling of 222945250 in words is "two hundred twenty-two million, nine hundred forty-five thousand, two hundred fifty".