22266728124 has 12 divisors (see below), whose sum is σ = 51955698984. Its totient is φ = 7422242704.

The previous prime is 22266728123. The next prime is 22266728147. The reversal of 22266728124 is 42182766222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266728123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927780327 + ... + 927780350.

It is an arithmetic number, because the mean of its divisors is an integer number (4329641582).

Almost surely, 2^22266728124 is an apocalyptic number.

It is an amenable number.

22266728124 is an abundant number, since it is smaller than the sum of its proper divisors (29688970860).

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

22266728124 is a wasteful number, since it uses less digits than its factorization.

22266728124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855560684 (or 1855560682 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The spelling of 22266728124 in words is "twenty-two billion, two hundred sixty-six million, seven hundred twenty-eight thousand, one hundred twenty-four".