133302222 has 12 divisors (see below), whose sum is σ = 288821520. Its totient is φ = 44434068.

The previous prime is 133302203. The next prime is 133302229. The reversal of 133302222 is 222203331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7405679 = 133302222 / (1 + 3 + 3 + 3 + 0 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 133302195 and 133302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133302229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3702822 + ... + 3702857.

It is an arithmetic number, because the mean of its divisors is an integer number (24068460).

Almost surely, 2^133302222 is an apocalyptic number.

133302222 is an abundant number, since it is smaller than the sum of its proper divisors (155519298).

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

133302222 is a wasteful number, since it uses less digits than its factorization.

133302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405687 (or 7405684 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 133302222 is about 11545.6581449478. The cubic root of 133302222 is about 510.8332169911.

Adding to 133302222 its reverse (222203331), we get a palindrome (355505553).

The spelling of 133302222 in words is "one hundred thirty-three million, three hundred two thousand, two hundred twenty-two".