3972226626 has 24 divisors (see below), whose sum is σ = 8623758000. Its totient is φ = 1321419096.

The previous prime is 3972226597. The next prime is 3972226627. The reversal of 3972226626 is 6266222793.

It is a happy number.

3972226626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3972226627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212140 + ... + 230103.

It is an arithmetic number, because the mean of its divisors is an integer number (359323250).

Almost surely, 2^3972226626 is an apocalyptic number.

3972226626 is an abundant number, since it is smaller than the sum of its proper divisors (4651531374).

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

3972226626 is a wasteful number, since it uses less digits than its factorization.

3972226626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442750 (or 442747 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 3972226626 is about 63025.6029403924. The cubic root of 3972226626 is about 1583.7185589083.

The spelling of 3972226626 in words is "three billion, nine hundred seventy-two million, two hundred twenty-six thousand, six hundred twenty-six".