133001222 has 32 divisors (see below), whose sum is σ = 212060160. Its totient is φ = 62472960.

The previous prime is 133001207. The next prime is 133001233. The reversal of 133001222 is 222100331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133001197 and 133001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376598 + ... + 376950.

It is an arithmetic number, because the mean of its divisors is an integer number (6626880).

Almost surely, 2^133001222 is an apocalyptic number.

133001222 is a deficient number, since it is larger than the sum of its proper divisors (79058938).

133001222 is a wasteful number, since it uses less digits than its factorization.

133001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 133001222 is about 11532.6155749682. The cubic root of 133001222 is about 510.4484355189.

Adding to 133001222 its reverse (222100331), we get a palindrome (355101553).

The spelling of 133001222 in words is "one hundred thirty-three million, one thousand, two hundred twenty-two".