3722226337428 has 24 divisors (see below), whose sum is σ = 8887176062688. Its totient is φ = 1211887644576.

The previous prime is 3722226337411. The next prime is 3722226337439. The reversal of 3722226337428 is 8247336222273.

3722226337428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3606807951 + ... + 3606808982.

It is an arithmetic number, because the mean of its divisors is an integer number (370299002612).

Almost surely, 2^{3722226337428} is an apocalyptic number.

It is an amenable number.

3722226337428 is an abundant number, since it is smaller than the sum of its proper divisors (5164949725260).

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

3722226337428 is a wasteful number, since it uses less digits than its factorization.

3722226337428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213616983 (or 7213616981 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 51.

The spelling of 3722226337428 in words is "three trillion, seven hundred twenty-two billion, two hundred twenty-six million, three hundred thirty-seven thousand, four hundred twenty-eight".