22143477222 has 40 divisors (see below), whose sum is σ = 49628149032. Its totient is φ = 7379618400.

The previous prime is 22143477199. The next prime is 22143477247. The reversal of 22143477222 is 22277434122.

22143477222 is a `hidden beast` number, since 22 + 143 + 477 + 2 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 975522 + ... + 997962.

Almost surely, 2^22143477222 is an apocalyptic number.

22143477222 is an abundant number, since it is smaller than the sum of its proper divisors (27484671810).

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

22143477222 is a wasteful number, since it uses less digits than its factorization.

22143477222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28546 (or 28537 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The spelling of 22143477222 in words is "twenty-two billion, one hundred forty-three million, four hundred seventy-seven thousand, two hundred twenty-two".