129733222 has 8 divisors (see below), whose sum is σ = 206046936. Its totient is φ = 61050912.

The previous prime is 129733213. The next prime is 129733223. The reversal of 129733222 is 222337921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129733223) 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, 1907808 + ... + 1907875.

It is an arithmetic number, because the mean of its divisors is an integer number (25755867).

Almost surely, 2^129733222 is an apocalyptic number.

129733222 is a deficient number, since it is larger than the sum of its proper divisors (76313714).

129733222 is a wasteful number, since it uses less digits than its factorization.

129733222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815702.

The product of its digits is 9072, while the sum is 31.

The square root of 129733222 is about 11390.0492536248. The cubic root of 129733222 is about 506.2329407044.

The spelling of 129733222 in words is "one hundred twenty-nine million, seven hundred thirty-three thousand, two hundred twenty-two".