22421132124 has 24 divisors (see below), whose sum is σ = 52855317648. Its totient is φ = 7396661760.

The previous prime is 22421132119. The next prime is 22421132131. The reversal of 22421132124 is 42123112422.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22421132094 and 22421132103.

It is a congruent number.

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, 9629907 + ... + 9632234.

It is an arithmetic number, because the mean of its divisors is an integer number (2202304902).

Almost surely, 2^22421132124 is an apocalyptic number.

It is an amenable number.

22421132124 is an abundant number, since it is smaller than the sum of its proper divisors (30434185524).

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

22421132124 is a wasteful number, since it uses less digits than its factorization.

22421132124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262245 (or 19262243 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 22421132124 its reverse (42123112422), we get a palindrome (64544244546).

The spelling of 22421132124 in words is "twenty-two billion, four hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-four".