222466826 has 4 divisors (see below), whose sum is σ = 333700242. Its totient is φ = 111233412.

The previous prime is 222466823. The next prime is 222466837. The reversal of 222466826 is 628664222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 220492801 + 1974025 = 14849^2 + 1405^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222466826.

It is not an unprimeable number, because it can be changed into a prime (222466823) by changing a digit.

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 as a sum of consecutive naturals, namely, 55616705 + ... + 55616708.

Almost surely, 2^222466826 is an apocalyptic number.

222466826 is a deficient number, since it is larger than the sum of its proper divisors (111233416).

222466826 is a wasteful number, since it uses less digits than its factorization.

222466826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111233415.

The product of its digits is 110592, while the sum is 38.

The square root of 222466826 is about 14915.3218537181. The cubic root of 222466826 is about 605.9290200679.

The spelling of 222466826 in words is "two hundred twenty-two million, four hundred sixty-six thousand, eight hundred twenty-six".