222244446 has 16 divisors (see below), whose sum is σ = 463814784. Its totient is φ = 70860504.

The previous prime is 222244441. The next prime is 222244489. The reversal of 222244446 is 644442222.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222244441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805096 + ... + 805371.

It is an arithmetic number, because the mean of its divisors is an integer number (28988424).

Almost surely, 2^222244446 is an apocalyptic number.

222244446 is an abundant number, since it is smaller than the sum of its proper divisors (241570338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222244446 is a wasteful number, since it uses less digits than its factorization.

222244446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610495.

The product of its digits is 24576, while the sum is 30.

The square root of 222244446 is about 14907.8652395304. The cubic root of 222244446 is about 605.7270552464.

Adding to 222244446 its reverse (644442222), we get a palindrome (866686668).

The spelling of 222244446 in words is "two hundred twenty-two million, two hundred forty-four thousand, four hundred forty-six".