22356660884 has 6 divisors (see below), whose sum is σ = 39124156554. Its totient is φ = 11178330440.

The previous prime is 22356660881. The next prime is 22356660899. The reversal of 22356660884 is 48806665322.

It can be written as a sum of positive squares in only one way, i.e., 15992131600 + 6364529284 = 126460^2 + 79778^2 .

It is a super-2 number, since 2×22356660884² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22356660881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2794582607 + ... + 2794582614.

It is an arithmetic number, because the mean of its divisors is an integer number (6520692759).

Almost surely, 2^22356660884 is an apocalyptic number.

It is an amenable number.

22356660884 is a deficient number, since it is larger than the sum of its proper divisors (16767495670).

22356660884 is a wasteful number, since it uses less digits than its factorization.

22356660884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589165225 (or 5589165223 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 22356660884 in words is "twenty-two billion, three hundred fifty-six million, six hundred sixty thousand, eight hundred eighty-four".