133222244 has 6 divisors (see below), whose sum is σ = 233138934. Its totient is φ = 66611120.

The previous prime is 133222223. The next prime is 133222247. The reversal of 133222244 is 442222331.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 57183844 = 8720^2 + 7562^2 .

It is not an unprimeable number, because it can be changed into a prime (133222247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16652777 + ... + 16652784.

It is an arithmetic number, because the mean of its divisors is an integer number (38856489).

Almost surely, 2^133222244 is an apocalyptic number.

It is an amenable number.

133222244 is a deficient number, since it is larger than the sum of its proper divisors (99916690).

133222244 is a wasteful number, since it uses less digits than its factorization.

133222244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33305565 (or 33305563 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 133222244 is about 11542.1940721858. The cubic root of 133222244 is about 510.7310341671.

Adding to 133222244 its reverse (442222331), we get a palindrome (575444575).

The spelling of 133222244 in words is "one hundred thirty-three million, two hundred twenty-two thousand, two hundred forty-four".