222226444 has 12 divisors (see below), whose sum is σ = 424250568. Its totient is φ = 101012000.

The previous prime is 222226429. The next prime is 222226493. The reversal of 222226444 is 444622222.

222226444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2525257 + ... + 2525344.

It is an arithmetic number, because the mean of its divisors is an integer number (35354214).

Almost surely, 2^222226444 is an apocalyptic number.

It is an amenable number.

222226444 is a deficient number, since it is larger than the sum of its proper divisors (202024124).

222226444 is a wasteful number, since it uses less digits than its factorization.

222226444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050616 (or 5050614 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 222226444 is about 14907.2614520575. The cubic root of 222226444 is about 605.7106999928.

Adding to 222226444 its reverse (444622222), we get a palindrome (666848666).

The spelling of 222226444 in words is "two hundred twenty-two million, two hundred twenty-six thousand, four hundred forty-four".