133332244 has 6 divisors (see below), whose sum is σ = 233331434. Its totient is φ = 66666120.

The previous prime is 133332239. The next prime is 133332247. The reversal of 133332244 is 442233331.

It can be written as a sum of positive squares in only one way, i.e., 104816644 + 28515600 = 10238^2 + 5340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16666527 + ... + 16666534.

Almost surely, 2^133332244 is an apocalyptic number.

It is an amenable number.

133332244 is a deficient number, since it is larger than the sum of its proper divisors (99999190).

133332244 is a wasteful number, since it uses less digits than its factorization.

133332244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333065 (or 33333063 counting only the distinct ones).

The product of its digits is 5184, while the sum is 25.

The square root of 133332244 is about 11546.9582141792. The cubic root of 133332244 is about 510.8715636479.

Adding to 133332244 its reverse (442233331), we get a palindrome (575565575).

The spelling of 133332244 in words is "one hundred thirty-three million, three hundred thirty-two thousand, two hundred forty-four".