12222089 has 6 divisors (see below), whose sum is σ = 13434330. Its totient is φ = 11110880.

The previous prime is 12222053. The next prime is 12222101. The reversal of 12222089 is 98022221.

It can be written as a sum of positive squares in only one way, i.e., 7382089 + 4840000 = 2717^2 + 2200^2 .

It is not a de Polignac number, because 12222089 - 2¹² = 12217993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50384 + ... + 50625.

It is an arithmetic number, because the mean of its divisors is an integer number (2239055).

Almost surely, 2^12222089 is an apocalyptic number.

It is an amenable number.

12222089 is a deficient number, since it is larger than the sum of its proper divisors (1212241).

12222089 is a wasteful number, since it uses less digits than its factorization.

12222089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101031 (or 101020 counting only the distinct ones).

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

The square root of 12222089 is about 3496.0104404878. The cubic root of 12222089 is about 230.3466040683.

The spelling of 12222089 in words is "twelve million, two hundred twenty-two thousand, eighty-nine".