222438698 has 8 divisors (see below), whose sum is σ = 336719460. Its totient is φ = 110198880.

The previous prime is 222438637. The next prime is 222438739. The reversal of 222438698 is 896834222.

It can be written as a sum of positive squares in 2 ways, for example, as 220730449 + 1708249 = 14857^2 + 1307^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509963 + ... + 510398.

Almost surely, 2^222438698 is an apocalyptic number.

222438698 is a deficient number, since it is larger than the sum of its proper divisors (114280762).

222438698 is a wasteful number, since it uses less digits than its factorization.

222438698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020472.

The product of its digits is 331776, while the sum is 44.

The square root of 222438698 is about 14914.3789009130. The cubic root of 222438698 is about 605.9034817436.

The spelling of 222438698 in words is "two hundred twenty-two million, four hundred thirty-eight thousand, six hundred ninety-eight".