2122666356 has 24 divisors (see below), whose sum is σ = 4954420800. Its totient is φ = 707336512.

The previous prime is 2122666289. The next prime is 2122666369. The reversal of 2122666356 is 6536662212.

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, 15745 + ... + 67031.

It is an arithmetic number, because the mean of its divisors is an integer number (206434200).

Almost surely, 2^2122666356 is an apocalyptic number.

It is an amenable number.

2122666356 is an abundant number, since it is smaller than the sum of its proper divisors (2831754444).

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

2122666356 is a wasteful number, since it uses less digits than its factorization.

2122666356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54743 (or 54741 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 2122666356 is about 46072.4034102846. The cubic root of 2122666356 is about 1285.1699989577.

The spelling of 2122666356 in words is "two billion, one hundred twenty-two million, six hundred sixty-six thousand, three hundred fifty-six".