222133772 has 24 divisors (see below), whose sum is σ = 445257120. Its totient is φ = 94988160.

The previous prime is 222133771. The next prime is 222133787. The reversal of 222133772 is 277331222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222133771) 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, 4304 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (18552380).

Almost surely, 2^222133772 is an apocalyptic number.

It is an amenable number.

222133772 is an abundant number, since it is smaller than the sum of its proper divisors (223123348).

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

222133772 is a wasteful number, since it uses less digits than its factorization.

222133772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681 (or 17679 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 222133772 is about 14904.1528440901. The cubic root of 222133772 is about 605.6264912528.

Adding to 222133772 its reverse (277331222), we get a palindrome (499464994).

The spelling of 222133772 in words is "two hundred twenty-two million, one hundred thirty-three thousand, seven hundred seventy-two".