120215222 has 4 divisors (see below), whose sum is σ = 180322836. Its totient is φ = 60107610.

The previous prime is 120215213. The next prime is 120215243. The reversal of 120215222 is 222512021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222512021 = 19 ⋅11711159.

It is a self number, because there is not a number n which added to its sum of digits gives 120215222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30053804 + ... + 30053807.

It is an arithmetic number, because the mean of its divisors is an integer number (45080709).

Almost surely, 2^120215222 is an apocalyptic number.

120215222 is a deficient number, since it is larger than the sum of its proper divisors (60107614).

120215222 is an equidigital number, since it uses as much as digits as its factorization.

120215222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60107613.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 120215222 is about 10964.2702447541. The cubic root of 120215222 is about 493.5371182484.

Adding to 120215222 its reverse (222512021), we get a palindrome (342727243).

The spelling of 120215222 in words is "one hundred twenty million, two hundred fifteen thousand, two hundred twenty-two".