222394730 has 8 divisors (see below), whose sum is σ = 400310532. Its totient is φ = 88957888.

The previous prime is 222394723. The next prime is 222394759. The reversal of 222394730 is 37493222.

It is a happy number.

222394730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220908769 + 1485961 = 14863^2 + 1219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11119727 + ... + 11119746.

Almost surely, 2^222394730 is an apocalyptic number.

222394730 is a deficient number, since it is larger than the sum of its proper divisors (177915802).

222394730 is a wasteful number, since it uses less digits than its factorization.

222394730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22239480.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 222394730 is about 14912.9048142875. The cubic root of 222394730 is about 605.8635574559.

The spelling of 222394730 in words is "two hundred twenty-two million, three hundred ninety-four thousand, seven hundred thirty".