133403222 has 4 divisors (see below), whose sum is σ = 200104836. Its totient is φ = 66701610.

The previous prime is 133403201. The next prime is 133403251. The reversal of 133403222 is 222304331.

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 = 133403194 and 133403203.

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, 33350804 + ... + 33350807.

It is an arithmetic number, because the mean of its divisors is an integer number (50026209).

Almost surely, 2^133403222 is an apocalyptic number.

133403222 is a deficient number, since it is larger than the sum of its proper divisors (66701614).

133403222 is an equidigital number, since it uses as much as digits as its factorization.

133403222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66701613.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133403222 is about 11550.0312553690. The cubic root of 133403222 is about 510.9621999120.

Adding to 133403222 its reverse (222304331), we get a palindrome (355707553).

The spelling of 133403222 in words is "one hundred thirty-three million, four hundred three thousand, two hundred twenty-two".