22421520093 has 24 divisors (see below), whose sum is σ = 34908603712. Its totient is φ = 12539669184.

The previous prime is 22421520091. The next prime is 22421520113. The reversal of 22421520093 is 39002512422.

It is not a de Polignac number, because 22421520093 - 2¹ = 22421520091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22421520093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421520091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195280 + ... + 288057.

Almost surely, 2^22421520093 is an apocalyptic number.

It is an amenable number.

22421520093 is a deficient number, since it is larger than the sum of its proper divisors (12487083619).

22421520093 is an equidigital number, since it uses as much as digits as its factorization.

22421520093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483441 (or 483394 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 22421520093 in words is "twenty-two billion, four hundred twenty-one million, five hundred twenty thousand, ninety-three".