22021771036 has 24 divisors (see below), whose sum is σ = 38604504960. Its totient is φ = 10991933952.

The previous prime is 22021771033. The next prime is 22021771067. The reversal of 22021771036 is 63017712022.

It is a junction number, because it is equal to n+sod(n) for n = 22021770989 and 22021771007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021771033) 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, 10227336 + ... + 10229488.

It is an arithmetic number, because the mean of its divisors is an integer number (1608521040).

Almost surely, 2^22021771036 is an apocalyptic number.

It is an amenable number.

22021771036 is a deficient number, since it is larger than the sum of its proper divisors (16582733924).

22021771036 is a wasteful number, since it uses less digits than its factorization.

22021771036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 22021771036 in words is "twenty-two billion, twenty-one million, seven hundred seventy-one thousand, thirty-six".