222830690 has 8 divisors (see below), whose sum is σ = 401095260. Its totient is φ = 89132272.

The previous prime is 222830683. The next prime is 222830701. The reversal of 222830690 is 96038222.

It can be written as a sum of positive squares in 2 ways, for example, as 188760121 + 34070569 = 13739^2 + 5837^2 .

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

It is a super-2 number, since 2×222830690² = 99307032811752200, which contains 22 as substring.

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, 11141525 + ... + 11141544.

Almost surely, 2^222830690 is an apocalyptic number.

222830690 is a deficient number, since it is larger than the sum of its proper divisors (178264570).

222830690 is a wasteful number, since it uses less digits than its factorization.

222830690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22283076.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 222830690 is about 14927.5145285476. The cubic root of 222830690 is about 606.2591901395.

The spelling of 222830690 in words is "two hundred twenty-two million, eight hundred thirty thousand, six hundred ninety".