133422224 has 20 divisors (see below), whose sum is σ = 278391036. Its totient is φ = 61579392.

The previous prime is 133422221. The next prime is 133422257. The reversal of 133422224 is 422224331.

It can be written as a sum of positive squares in 2 ways, for example, as 64000000 + 69422224 = 8000^2 + 8332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133422224.

It is not an unprimeable number, because it can be changed into a prime (133422221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320519 + ... + 320934.

Almost surely, 2^133422224 is an apocalyptic number.

It is an amenable number.

133422224 is an abundant number, since it is smaller than the sum of its proper divisors (144968812).

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

133422224 is a wasteful number, since it uses less digits than its factorization.

133422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641474 (or 641468 counting only the distinct ones).

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

The square root of 133422224 is about 11550.8538212549. The cubic root of 133422224 is about 510.9864593029.

Adding to 133422224 its reverse (422224331), we get a palindrome (555646555).

The spelling of 133422224 in words is "one hundred thirty-three million, four hundred twenty-two thousand, two hundred twenty-four".