180973222 has 8 divisors (see below), whose sum is σ = 273597696. Its totient is φ = 89773992.

The previous prime is 180973213. The next prime is 180973291. The reversal of 180973222 is 222379081.

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

It is a super-2 number, since 2×180973222² = 65502614162122568, 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, 355993 + ... + 356500.

It is an arithmetic number, because the mean of its divisors is an integer number (34199712).

Almost surely, 2^180973222 is an apocalyptic number.

180973222 is a deficient number, since it is larger than the sum of its proper divisors (92624474).

180973222 is a wasteful number, since it uses less digits than its factorization.

180973222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712622.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 180973222 is about 13452.6288137301. The cubic root of 180973222 is about 565.6373854700.

The spelling of 180973222 in words is "one hundred eighty million, nine hundred seventy-three thousand, two hundred twenty-two".