9212422189 has 4 divisors (see below), whose sum is σ = 9212620060. Its totient is φ = 9212224320.

The previous prime is 9212422183. The next prime is 9212422229. The reversal of 9212422189 is 9812242129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9812242129 = 23 ⋅426619223.

It can be written as a sum of positive squares in 2 ways, for example, as 871253289 + 8341168900 = 29517^2 + 91330^2 .

It is a cyclic number.

It is not a de Polignac number, because 9212422189 - 2¹⁹ = 9211897901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9212422183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13477 + ... + 136405.

It is an arithmetic number, because the mean of its divisors is an integer number (2303155015).

Almost surely, 2^9212422189 is an apocalyptic number.

It is an amenable number.

9212422189 is a deficient number, since it is larger than the sum of its proper divisors (197871).

9212422189 is a wasteful number, since it uses less digits than its factorization.

9212422189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197870.

The product of its digits is 41472, while the sum is 40.

The square root of 9212422189 is about 95981.3637588048. The cubic root of 9212422189 is about 2096.3217689833.

The spelling of 9212422189 in words is "nine billion, two hundred twelve million, four hundred twenty-two thousand, one hundred eighty-nine".