22223052320538 has 16 divisors (see below), whose sum is σ = 44446334065056. Its totient is φ = 7407645869520.

The previous prime is 22223052320533. The next prime is 22223052320551. The reversal of 22223052320538 is 83502325032222.

It is a junction number, because it is equal to n+sod(n) for n = 22223052320496 and 22223052320505.

It is not an unprimeable number, because it can be changed into a prime (22223052320533) 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, 8287068 + ... + 10635863.

It is an arithmetic number, because the mean of its divisors is an integer number (2777895879066).

Almost surely, 2^{22223052320538} is an apocalyptic number.

22223052320538 is an abundant number, since it is smaller than the sum of its proper divisors (22223281744518).

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

22223052320538 is a wasteful number, since it uses less digits than its factorization.

22223052320538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118669.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 22223052320538 in words is "twenty-two trillion, two hundred twenty-three billion, fifty-two million, three hundred twenty thousand, five hundred thirty-eight".