133722226 has 8 divisors (see below), whose sum is σ = 218818224. Its totient is φ = 60782820.

The previous prime is 133722223. The next prime is 133722227. The reversal of 133722226 is 622227331.

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 = 133722194 and 133722203.

It is not an unprimeable number, because it can be changed into a prime (133722223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039120 + ... + 3039163.

It is an arithmetic number, because the mean of its divisors is an integer number (27352278).

Almost surely, 2^133722226 is an apocalyptic number.

133722226 is a deficient number, since it is larger than the sum of its proper divisors (85095998).

133722226 is a wasteful number, since it uses less digits than its factorization.

133722226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078296.

The product of its digits is 6048, while the sum is 28.

The square root of 133722226 is about 11563.8326691456. The cubic root of 133722226 is about 511.3691596797.

Adding to 133722226 its reverse (622227331), we get a palindrome (755949557).

The spelling of 133722226 in words is "one hundred thirty-three million, seven hundred twenty-two thousand, two hundred twenty-six".