133213322 has 16 divisors (see below), whose sum is σ = 222625152. Its totient is φ = 59262720.

The previous prime is 133213277. The next prime is 133213337. The reversal of 133213322 is 223312331.

It is a junction number, because it is equal to n+sod(n) for n = 133213294 and 133213303.

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, 63383 + ... + 65450.

It is an arithmetic number, because the mean of its divisors is an integer number (13914072).

Almost surely, 2^133213322 is an apocalyptic number.

133213322 is a deficient number, since it is larger than the sum of its proper divisors (89411830).

133213322 is a wasteful number, since it uses less digits than its factorization.

133213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128893.

The product of its digits is 648, while the sum is 20.

The square root of 133213322 is about 11541.8075707404. The cubic root of 133213322 is about 510.7196325576.

Adding to 133213322 its reverse (223312331), we get a palindrome (356525653).

Subtracting 133213322 from its reverse (223312331), we obtain a palindrome (90099009).

The spelling of 133213322 in words is "one hundred thirty-three million, two hundred thirteen thousand, three hundred twenty-two".