133948222 has 8 divisors (see below), whose sum is σ = 203343336. Its totient is φ = 66167112.

The previous prime is 133948207. The next prime is 133948223. The reversal of 133948222 is 222849331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133948222² = 35884252353922568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133948223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403293 + ... + 403624.

It is an arithmetic number, because the mean of its divisors is an integer number (25417917).

Almost surely, 2^133948222 is an apocalyptic number.

133948222 is a deficient number, since it is larger than the sum of its proper divisors (69395114).

133948222 is an equidigital number, since it uses as much as digits as its factorization.

133948222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807002.

The product of its digits is 20736, while the sum is 34.

The square root of 133948222 is about 11573.6002177369. The cubic root of 133948222 is about 511.6570757692.

The spelling of 133948222 in words is "one hundred thirty-three million, nine hundred forty-eight thousand, two hundred twenty-two".