22421030424 has 64 divisors (see below), whose sum is σ = 60825219840. Its totient is φ = 6846103680.

The previous prime is 22421030413. The next prime is 22421030461. The reversal of 22421030424 is 42403012422.

It is a super-3 number, since 3×22421030424³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22421030394 and 22421030403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233412 + ... + 315155.

It is an arithmetic number, because the mean of its divisors is an integer number (950394060).

Almost surely, 2^22421030424 is an apocalyptic number.

22421030424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22421030424 is an abundant number, since it is smaller than the sum of its proper divisors (38404189416).

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

22421030424 is a wasteful number, since it uses less digits than its factorization.

22421030424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548720 (or 548716 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22421030424 its reverse (42403012422), we get a palindrome (64824042846).

The spelling of 22421030424 in words is "twenty-two billion, four hundred twenty-one million, thirty thousand, four hundred twenty-four".