133315222 has 16 divisors (see below), whose sum is σ = 213523200. Its totient is φ = 62275752.

The previous prime is 133315211. The next prime is 133315271. The reversal of 133315222 is 222513331.

It is a junction number, because it is equal to n+sod(n) for n = 133315193 and 133315202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31722 + ... + 35677.

It is an arithmetic number, because the mean of its divisors is an integer number (13345200).

Almost surely, 2^133315222 is an apocalyptic number.

133315222 is a deficient number, since it is larger than the sum of its proper divisors (80207978).

133315222 is a wasteful number, since it uses less digits than its factorization.

133315222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67467.

The product of its digits is 1080, while the sum is 22.

The square root of 133315222 is about 11546.2211134206. The cubic root of 133315222 is about 510.8498224057.

Adding to 133315222 its reverse (222513331), we get a palindrome (355828553).

The spelling of 133315222 in words is "one hundred thirty-three million, three hundred fifteen thousand, two hundred twenty-two".