12222402774 has 16 divisors (see below), whose sum is σ = 24809654208. Its totient is φ = 4013326152.

The previous prime is 12222402757. The next prime is 12222402811. The reversal of 12222402774 is 47720422221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15201592 + ... + 15202395.

It is an arithmetic number, because the mean of its divisors is an integer number (1550603388).

Almost surely, 2^12222402774 is an apocalyptic number.

12222402774 is an abundant number, since it is smaller than the sum of its proper divisors (12587251434).

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

12222402774 is a wasteful number, since it uses less digits than its factorization.

12222402774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30404059.

The product of its (nonzero) digits is 25088, while the sum is 33.

Adding to 12222402774 its reverse (47720422221), we get a palindrome (59942824995).

The spelling of 12222402774 in words is "twelve billion, two hundred twenty-two million, four hundred two thousand, seven hundred seventy-four".