133222330 has 8 divisors (see below), whose sum is σ = 239800212. Its totient is φ = 53288928.

The previous prime is 133222321. The next prime is 133222391. The reversal of 133222330 is 33222331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131813361 + 1408969 = 11481^2 + 1187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 133222298 and 133222307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6661107 + ... + 6661126.

Almost surely, 2^133222330 is an apocalyptic number.

133222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133222330 is a deficient number, since it is larger than the sum of its proper divisors (106577882).

133222330 is a wasteful number, since it uses less digits than its factorization.

133222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322240.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133222330 is about 11542.1977976467. The cubic root of 133222330 is about 510.7311440658.

Adding to 133222330 its reverse (33222331), we get a palindrome (166444661).

Subtracting from 133222330 its reverse (33222331), we obtain a palindrome (99999999).

The spelling of 133222330 in words is "one hundred thirty-three million, two hundred twenty-two thousand, three hundred thirty".