133664222 has 8 divisors (see below), whose sum is σ = 200593272. Its totient is φ = 66799800.

The previous prime is 133664213. The next prime is 133664231. The reversal of 133664222 is 222466331.

It is an interprime number because it is at equal distance from previous prime (133664213) and next prime (133664231).

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

It is a super-2 number, since 2×133664222² = 35732248485730568, which contains 22 as substring.

It is a congruent number.

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, 10604 + ... + 19487.

It is an arithmetic number, because the mean of its divisors is an integer number (25074159).

Almost surely, 2^133664222 is an apocalyptic number.

133664222 is a deficient number, since it is larger than the sum of its proper divisors (66929050).

133664222 is a wasteful number, since it uses less digits than its factorization.

133664222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32314.

The product of its digits is 10368, while the sum is 29.

The square root of 133664222 is about 11561.3244051017. The cubic root of 133664222 is about 511.2952109993.

The spelling of 133664222 in words is "one hundred thirty-three million, six hundred sixty-four thousand, two hundred twenty-two".