21044533022 has 8 divisors (see below), whose sum is σ = 31605157776. Its totient is φ = 10509480432.

The previous prime is 21044533007. The next prime is 21044533039. The reversal of 21044533022 is 22033544012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21044533022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21044532982 and 21044533000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6390983 + ... + 6394274.

It is an arithmetic number, because the mean of its divisors is an integer number (3950644722).

Almost surely, 2^21044533022 is an apocalyptic number.

21044533022 is a deficient number, since it is larger than the sum of its proper divisors (10560624754).

21044533022 is a wasteful number, since it uses less digits than its factorization.

21044533022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12786082.

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 21044533022 in words is "twenty-one billion, forty-four million, five hundred thirty-three thousand, twenty-two".