222224136 has 32 divisors (see below), whose sum is σ = 588241440. Its totient is φ = 69717248.

The previous prime is 222224087. The next prime is 222224143. The reversal of 222224136 is 631422222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271926 + ... + 272741.

It is an arithmetic number, because the mean of its divisors is an integer number (18382545).

Almost surely, 2^222224136 is an apocalyptic number.

It is an amenable number.

222224136 is an abundant number, since it is smaller than the sum of its proper divisors (366017304).

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

222224136 is a wasteful number, since it uses less digits than its factorization.

222224136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544693 (or 544689 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 222224136 is about 14907.1840399185. The cubic root of 222224136 is about 605.7086030549.

Adding to 222224136 its reverse (631422222), we get a palindrome (853646358).

The spelling of 222224136 in words is "two hundred twenty-two million, two hundred twenty-four thousand, one hundred thirty-six".