133223222 has 16 divisors (see below), whose sum is σ = 227480832. Its totient is φ = 57922920.

The previous prime is 133223219. The next prime is 133223243. The reversal of 133223222 is 222322331.

It is a super-2 number, since 2×133223222² = 35496853760122568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133223194 and 133223203.

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, 131138 + ... + 132149.

It is an arithmetic number, because the mean of its divisors is an integer number (14217552).

Almost surely, 2^133223222 is an apocalyptic number.

133223222 is a deficient number, since it is larger than the sum of its proper divisors (94257610).

133223222 is a wasteful number, since it uses less digits than its factorization.

133223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263323.

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

The square root of 133223222 is about 11542.2364384031. The cubic root of 133223222 is about 510.7322839427.

Adding to 133223222 its reverse (222322331), we get a palindrome (355545553).

The spelling of 133223222 in words is "one hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-two".