628472222566 has 16 divisors (see below), whose sum is σ = 993836852064. Its totient is φ = 297474971904.

The previous prime is 628472222561. The next prime is 628472222591. The reversal of 628472222566 is 665222274826.

628472222566 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 not an unprimeable number, because it can be changed into a prime (628472222561) 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, 70420485 + ... + 70429408.

It is an arithmetic number, because the mean of its divisors is an integer number (62114803254).

Almost surely, 2^628472222566 is an apocalyptic number.

628472222566 is a deficient number, since it is larger than the sum of its proper divisors (365364629498).

628472222566 is a wasteful number, since it uses less digits than its factorization.

628472222566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140850015.

The product of its digits is 7741440, while the sum is 52.

The spelling of 628472222566 in words is "six hundred twenty-eight billion, four hundred seventy-two million, two hundred twenty-two thousand, five hundred sixty-six".