222399350 has 12 divisors (see below), whose sum is σ = 413662884. Its totient is φ = 88959720.

The previous prime is 222399343. The next prime is 222399371. The reversal of 222399350 is 53993222.

222399350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222399350² = 98922941760845000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222399350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2223944 + ... + 2224043.

It is an arithmetic number, because the mean of its divisors is an integer number (34471907).

Almost surely, 2^222399350 is an apocalyptic number.

222399350 is a deficient number, since it is larger than the sum of its proper divisors (191263534).

222399350 is a wasteful number, since it uses less digits than its factorization.

222399350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447999 (or 4447994 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 222399350 is about 14913.0597128825. The cubic root of 222399350 is about 605.8677528045.

The spelling of 222399350 in words is "two hundred twenty-two million, three hundred ninety-nine thousand, three hundred fifty".