133222392 has 48 divisors (see below), whose sum is σ = 361530000. Its totient is φ = 44318976.

The previous prime is 133222391. The next prime is 133222403. The reversal of 133222392 is 293222331.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41584 + ... + 44672.

It is an arithmetic number, because the mean of its divisors is an integer number (7531875).

Almost surely, 2^133222392 is an apocalyptic number.

133222392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133222392 is an abundant number, since it is smaller than the sum of its proper divisors (228307608).

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

133222392 is a wasteful number, since it uses less digits than its factorization.

133222392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700 (or 3693 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 133222392 is about 11542.2004834434. The cubic root of 133222392 is about 510.7312232951.

The spelling of 133222392 in words is "one hundred thirty-three million, two hundred twenty-two thousand, three hundred ninety-two".