120222228 has 24 divisors (see below), whose sum is σ = 320592832. Its totient is φ = 34349184.

The previous prime is 120222203. The next prime is 120222229. The reversal of 120222228 is 822222021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715525 + ... + 715692.

Almost surely, 2^120222228 is an apocalyptic number.

It is an amenable number.

120222228 is an abundant number, since it is smaller than the sum of its proper divisors (200370604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120222228 is a wasteful number, since it uses less digits than its factorization.

120222228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431231 (or 1431229 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 120222228 is about 10964.5897324068. The cubic root of 120222228 is about 493.5467056473.

Adding to 120222228 its reverse (822222021), we get a palindrome (942444249).

The spelling of 120222228 in words is "one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-eight".