22520230442 has 16 divisors (see below), whose sum is σ = 35591287680. Its totient is φ = 10665974352.

The previous prime is 22520230409. The next prime is 22520230487. The reversal of 22520230442 is 24403202522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371817 + ... + 2381292.

It is an arithmetic number, because the mean of its divisors is an integer number (2224455480).

Almost surely, 2^22520230442 is an apocalyptic number.

22520230442 is a deficient number, since it is larger than the sum of its proper divisors (13071057238).

22520230442 is a wasteful number, since it uses less digits than its factorization.

22520230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753237.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 22520230442 its reverse (24403202522), we get a palindrome (46923432964).

The spelling of 22520230442 in words is "twenty-two billion, five hundred twenty million, two hundred thirty thousand, four hundred forty-two".