133422312 has 32 divisors (see below), whose sum is σ = 335563200. Its totient is φ = 44206464.

The previous prime is 133422293. The next prime is 133422337. The reversal of 133422312 is 213224331.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12637 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (10486350).

Almost surely, 2^133422312 is an apocalyptic number.

133422312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133422312 is an abundant number, since it is smaller than the sum of its proper divisors (202140888).

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

133422312 is a wasteful number, since it uses less digits than its factorization.

133422312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33465 (or 33461 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 133422312 is about 11550.8576304965. The cubic root of 133422312 is about 510.9865716450.

Adding to 133422312 its reverse (213224331), we get a palindrome (346646643).

The spelling of 133422312 in words is "one hundred thirty-three million, four hundred twenty-two thousand, three hundred twelve".