22023121424 has 20 divisors (see below), whose sum is σ = 42905548140. Its totient is φ = 10950721920.

The previous prime is 22023121409. The next prime is 22023121447. The reversal of 22023121424 is 42412132022.

It can be written as a sum of positive squares in 2 ways, for example, as 6167275024 + 15855846400 = 78532^2 + 125920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22023121424.

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, 3799439 + ... + 3805230.

It is an arithmetic number, because the mean of its divisors is an integer number (2145277407).

Almost surely, 2^22023121424 is an apocalyptic number.

It is an amenable number.

22023121424 is a deficient number, since it is larger than the sum of its proper divisors (20882426716).

22023121424 is a wasteful number, since it uses less digits than its factorization.

22023121424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604858 (or 7604852 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22023121424 its reverse (42412132022), we get a palindrome (64435253446).

The spelling of 22023121424 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, four hundred twenty-four".