12274278222 has 16 divisors (see below), whose sum is σ = 25992589392. Its totient is φ = 3850753920.

The previous prime is 12274278197. The next prime is 12274278223. The reversal of 12274278222 is 22287247221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274278223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60167929 + ... + 60168132.

It is an arithmetic number, because the mean of its divisors is an integer number (1624536837).

Almost surely, 2^12274278222 is an apocalyptic number.

12274278222 is an abundant number, since it is smaller than the sum of its proper divisors (13718311170).

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

12274278222 is a wasteful number, since it uses less digits than its factorization.

12274278222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120336083.

The product of its digits is 100352, while the sum is 39.

The spelling of 12274278222 in words is "twelve billion, two hundred seventy-four million, two hundred seventy-eight thousand, two hundred twenty-two".