120228666 has 32 divisors (see below), whose sum is σ = 245790720. Its totient is φ = 39194544.

The previous prime is 120228617. The next prime is 120228697. The reversal of 120228666 is 666822021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78181 + ... + 79703.

It is an arithmetic number, because the mean of its divisors is an integer number (7680960).

Almost surely, 2^120228666 is an apocalyptic number.

120228666 is an abundant number, since it is smaller than the sum of its proper divisors (125562054).

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

120228666 is a wasteful number, since it uses less digits than its factorization.

120228666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 120228666 is about 10964.8833099126. The cubic root of 120228666 is about 493.5555154352. Note that the first 4 decimals are identical.

The spelling of 120228666 in words is "one hundred twenty million, two hundred twenty-eight thousand, six hundred sixty-six".