133311422 has 4 divisors (see below), whose sum is σ = 199967136. Its totient is φ = 66655710.

The previous prime is 133311403. The next prime is 133311457. The reversal of 133311422 is 224113331.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 133311394 and 133311403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33327854 + ... + 33327857.

It is an arithmetic number, because the mean of its divisors is an integer number (49991784).

Almost surely, 2^133311422 is an apocalyptic number.

133311422 is a deficient number, since it is larger than the sum of its proper divisors (66655714).

133311422 is an equidigital number, since it uses as much as digits as its factorization.

133311422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66655713.

The product of its digits is 432, while the sum is 20.

The square root of 133311422 is about 11546.0565562446. The cubic root of 133311422 is about 510.8449686269.

Adding to 133311422 its reverse (224113331), we get a palindrome (357424753).

The spelling of 133311422 in words is "one hundred thirty-three million, three hundred eleven thousand, four hundred twenty-two".