222150120242 has 8 divisors (see below), whose sum is σ = 333235956636. Its totient is φ = 111071468032.

The previous prime is 222150120223. The next prime is 222150120293. The reversal of 222150120242 is 242021051222.

It can be written as a sum of positive squares in 2 ways, for example, as 217565340721 + 4584779521 = 466439^2 + 67711^2 .

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

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, 1718063 + ... + 1842834.

Almost surely, 2^222150120242 is an apocalyptic number.

222150120242 is a deficient number, since it is larger than the sum of its proper divisors (111085836394).

222150120242 is a wasteful number, since it uses less digits than its factorization.

222150120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592092.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 222150120242 its reverse (242021051222), we get a palindrome (464171171464).

The spelling of 222150120242 in words is "two hundred twenty-two billion, one hundred fifty million, one hundred twenty thousand, two hundred forty-two".