222120297 has 24 divisors (see below), whose sum is σ = 373598784. Its totient is φ = 124529184.

The previous prime is 222120281. The next prime is 222120307. The reversal of 222120297 is 792021222.

It is not a de Polignac number, because 222120297 - 2⁴ = 222120281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222120297.

It is not an unprimeable number, because it can be changed into a prime (222120277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29923 + ... + 36600.

It is an arithmetic number, because the mean of its divisors is an integer number (15566616).

Almost surely, 2^222120297 is an apocalyptic number.

It is an amenable number.

222120297 is a deficient number, since it is larger than the sum of its proper divisors (151478487).

222120297 is a wasteful number, since it uses less digits than its factorization.

222120297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66589 (or 66586 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 222120297 is about 14903.7007820206. The cubic root of 222120297 is about 605.6142449054.

The spelling of 222120297 in words is "two hundred twenty-two million, one hundred twenty thousand, two hundred ninety-seven".