22240424525 has 48 divisors (see below), whose sum is σ = 30881767488. Its totient is φ = 15748992000.

The previous prime is 22240424467. The next prime is 22240424533. The reversal of 22240424525 is 52542404222.

It is not a de Polignac number, because 22240424525 - 2³⁴ = 5060555341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22240424491 and 22240424500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3982235 + ... + 3987815.

It is an arithmetic number, because the mean of its divisors is an integer number (643370156).

Almost surely, 2^22240424525 is an apocalyptic number.

22240424525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22240424525 is a deficient number, since it is larger than the sum of its proper divisors (8641342963).

22240424525 is a wasteful number, since it uses less digits than its factorization.

22240424525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982 (or 5977 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 22240424525 its reverse (52542404222), we get a palindrome (74782828747).

The spelling of 22240424525 in words is "twenty-two billion, two hundred forty million, four hundred twenty-four thousand, five hundred twenty-five".