222333444 has 48 divisors (see below), whose sum is σ = 592009600. Its totient is φ = 72106848.

The previous prime is 222333389. The next prime is 222333469. The reversal of 222333444 is 444333222.

It is a super-2 number, since 2×222333444² = 98864320641802272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23824 + ... + 31815.

Almost surely, 2^222333444 is an apocalyptic number.

It is an amenable number.

222333444 is an abundant number, since it is smaller than the sum of its proper divisors (369676156).

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

222333444 is a wasteful number, since it uses less digits than its factorization.

222333444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55689 (or 55681 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 222333444 is about 14910.8498751748. The cubic root of 222333444 is about 605.8078991147.

Adding to 222333444 its reverse (444333222), we get a palindrome (666666666).

The spelling of 222333444 in words is "two hundred twenty-two million, three hundred thirty-three thousand, four hundred forty-four".