120222809 has 12 divisors (see below), whose sum is σ = 139400832. Its totient is φ = 101566920.

The previous prime is 120222803. The next prime is 120222811. The reversal of 120222809 is 908222021.

It is not a de Polignac number, because 120222809 - 2²⁴ = 103445593 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33584 + ... + 36990.

It is an arithmetic number, because the mean of its divisors is an integer number (11616736).

Almost surely, 2^120222809 is an apocalyptic number.

It is an amenable number.

120222809 is a deficient number, since it is larger than the sum of its proper divisors (19178023).

120222809 is an frugal number, since it uses more digits than its factorization.

120222809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 120222809 is about 10964.6162267541. The cubic root of 120222809 is about 493.5475007032.

The spelling of 120222809 in words is "one hundred twenty million, two hundred twenty-two thousand, eight hundred nine".