133222224 has 40 divisors (see below), whose sum is σ = 362273440. Its totient is φ = 42069888.

The previous prime is 133222223. The next prime is 133222247. The reversal of 133222224 is 422222331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133222224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222223) 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, 72127 + ... + 73950.

It is an arithmetic number, because the mean of its divisors is an integer number (9056836).

Almost surely, 2^133222224 is an apocalyptic number.

It is an amenable number.

133222224 is an abundant number, since it is smaller than the sum of its proper divisors (229051216).

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

133222224 is a wasteful number, since it uses less digits than its factorization.

133222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146107 (or 146101 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 133222224 is about 11542.1932057993. The cubic root of 133222224 is about 510.7310086092.

Adding to 133222224 its reverse (422222331), we get a palindrome (555444555).

The spelling of 133222224 in words is "one hundred thirty-three million, two hundred twenty-two thousand, two hundred twenty-four".