12226423892 has 6 divisors (see below), whose sum is σ = 21396241818. Its totient is φ = 6113211944.

The previous prime is 12226423889. The next prime is 12226423903. The reversal of 12226423892 is 29832462221.

It can be written as a sum of positive squares in only one way, i.e., 11654066116 + 572357776 = 107954^2 + 23924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528302983 + ... + 1528302990.

It is an arithmetic number, because the mean of its divisors is an integer number (3566040303).

Almost surely, 2^12226423892 is an apocalyptic number.

It is an amenable number.

12226423892 is a deficient number, since it is larger than the sum of its proper divisors (9169817926).

12226423892 is a wasteful number, since it uses less digits than its factorization.

12226423892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056605977 (or 3056605975 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The spelling of 12226423892 in words is "twelve billion, two hundred twenty-six million, four hundred twenty-three thousand, eight hundred ninety-two".