23225332422540 has 24 divisors (see below), whose sum is σ = 65030930783280. Its totient is φ = 6193421979328.

The previous prime is 23225332422503. The next prime is 23225332422559. The reversal of 23225332422540 is 4522423352232.

It is a happy number.

It is a super-2 number, since 2×23225332422540² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193544436795 + ... + 193544436914.

It is an arithmetic number, because the mean of its divisors is an integer number (2709622115970).

Almost surely, 2^{23225332422540} is an apocalyptic number.

23225332422540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23225332422540 is an abundant number, since it is smaller than the sum of its proper divisors (41805598360740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23225332422540 is a wasteful number, since it uses less digits than its factorization.

23225332422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387088873721 (or 387088873719 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 23225332422540 its reverse (4522423352232), we get a palindrome (27747755774772).

The spelling of 23225332422540 in words is "twenty-three trillion, two hundred twenty-five billion, three hundred thirty-two million, four hundred twenty-two thousand, five hundred forty".