222864722 has 8 divisors (see below), whose sum is σ = 338053500. Its totient is φ = 110180224.

The previous prime is 222864703. The next prime is 222864731. The reversal of 222864722 is 227468222.

It can be written as a sum of positive squares in 2 ways, for example, as 197149681 + 25715041 = 14041^2 + 5071^2 .

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, 625847 + ... + 626202.

Almost surely, 2^222864722 is an apocalyptic number.

222864722 is a deficient number, since it is larger than the sum of its proper divisors (115188778).

222864722 is a wasteful number, since it uses less digits than its factorization.

222864722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252140.

The product of its digits is 43008, while the sum is 35.

The square root of 222864722 is about 14928.6543934810. The cubic root of 222864722 is about 606.2900523792.

The spelling of 222864722 in words is "two hundred twenty-two million, eight hundred sixty-four thousand, seven hundred twenty-two".