22240352525 has 12 divisors (see below), whose sum is σ = 27634680672. Its totient is φ = 17755737840.

The previous prime is 22240352513. The next prime is 22240352531. The reversal of 22240352525 is 52525304222.

It is not a de Polignac number, because 22240352525 - 2⁸ = 22240352269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22240352491 and 22240352500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901187 + ... + 925536.

It is an arithmetic number, because the mean of its divisors is an integer number (2302890056).

Almost surely, 2^22240352525 is an apocalyptic number.

22240352525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22240352525 is a deficient number, since it is larger than the sum of its proper divisors (5394328147).

22240352525 is a wasteful number, since it uses less digits than its factorization.

22240352525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827220 (or 1827215 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 22240352525 its reverse (52525304222), we get a palindrome (74765656747).

The spelling of 22240352525 in words is "twenty-two billion, two hundred forty million, three hundred fifty-two thousand, five hundred twenty-five".