22521374230 has 16 divisors (see below), whose sum is σ = 41634108720. Its totient is φ = 8765075232.

The previous prime is 22521374191. The next prime is 22521374237. The reversal of 22521374230 is 3247312522.

It is a junction number, because it is equal to n+sod(n) for n = 22521374192 and 22521374201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22521374237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30433920 + ... + 30434659.

It is an arithmetic number, because the mean of its divisors is an integer number (2602131795).

Almost surely, 2^22521374230 is an apocalyptic number.

22521374230 is a deficient number, since it is larger than the sum of its proper divisors (19112734490).

22521374230 is a wasteful number, since it uses less digits than its factorization.

22521374230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60868623.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 22521374230 its reverse (3247312522), we get a palindrome (25768686752).

The spelling of 22521374230 in words is "twenty-two billion, five hundred twenty-one million, three hundred seventy-four thousand, two hundred thirty".