222812444 has 6 divisors (see below), whose sum is σ = 389921784. Its totient is φ = 111406220.

The previous prime is 222812441. The next prime is 222812461. The reversal of 222812444 is 444218222.

It is a happy number.

222812444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222812441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27851552 + ... + 27851559.

It is an arithmetic number, because the mean of its divisors is an integer number (64986964).

Almost surely, 2^222812444 is an apocalyptic number.

It is an amenable number.

222812444 is a deficient number, since it is larger than the sum of its proper divisors (167109340).

222812444 is a wasteful number, since it uses less digits than its factorization.

222812444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55703115 (or 55703113 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 222812444 is about 14926.9033627206. The cubic root of 222812444 is about 606.2426422886.

The spelling of 222812444 in words is "two hundred twenty-two million, eight hundred twelve thousand, four hundred forty-four".