133133322 has 32 divisors (see below), whose sum is σ = 304647552. Its totient is φ = 37995264.

The previous prime is 133133321. The next prime is 133133339. The reversal of 133133322 is 223331331.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is not an unprimeable number, because it can be changed into a prime (133133321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68638 + ... + 70550.

It is an arithmetic number, because the mean of its divisors is an integer number (9520236).

Almost surely, 2^133133322 is an apocalyptic number.

133133322 is an abundant number, since it is smaller than the sum of its proper divisors (171514230).

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

133133322 is a wasteful number, since it uses less digits than its factorization.

133133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582.

The product of its digits is 972, while the sum is 21.

The square root of 133133322 is about 11538.3413886052. The cubic root of 133133322 is about 510.6173761376.

Adding to 133133322 its reverse (223331331), we get a palindrome (356464653).

The spelling of 133133322 in words is "one hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty-two".