22000543604 has 12 divisors (see below), whose sum is σ = 41462563044. Its totient is φ = 10154097024.

The previous prime is 22000543583. The next prime is 22000543637. The reversal of 22000543604 is 40634500022.

It can be written as a sum of positive squares in 2 ways, for example, as 1436410000 + 20564133604 = 37900^2 + 143402^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 211543637 + ... + 211543740.

It is an arithmetic number, because the mean of its divisors is an integer number (3455213587).

Almost surely, 2^22000543604 is an apocalyptic number.

It is an amenable number.

22000543604 is a deficient number, since it is larger than the sum of its proper divisors (19462019440).

22000543604 is a wasteful number, since it uses less digits than its factorization.

22000543604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423087394 (or 423087392 counting only the distinct ones).

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

The spelling of 22000543604 in words is "twenty-two billion, five hundred forty-three thousand, six hundred four".