22421440124 has 24 divisors (see below), whose sum is σ = 41376882960. Its totient is φ = 10601594496.

The previous prime is 22421440121. The next prime is 22421440127. The reversal of 22421440124 is 42104412422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22421440121) and next prime (22421440127).

It is a junction number, because it is equal to n+sod(n) for n = 22421440093 and 22421440102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421440121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222497 + ... + 307160.

It is an arithmetic number, because the mean of its divisors is an integer number (1724036790).

Almost surely, 2^22421440124 is an apocalyptic number.

It is an amenable number.

22421440124 is a deficient number, since it is larger than the sum of its proper divisors (18955442836).

22421440124 is a wasteful number, since it uses less digits than its factorization.

22421440124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530237 (or 530235 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 22421440124 its reverse (42104412422), we get a palindrome (64525852546).

The spelling of 22421440124 in words is "twenty-two billion, four hundred twenty-one million, four hundred forty thousand, one hundred twenty-four".