22421032430 has 8 divisors (see below), whose sum is σ = 40357858392. Its totient is φ = 8968412968.

The previous prime is 22421032411. The next prime is 22421032499. The reversal of 22421032430 is 3423012422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22421032430² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22421032396 and 22421032405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121051612 + ... + 1121051631.

It is an arithmetic number, because the mean of its divisors is an integer number (5044732299).

Almost surely, 2^22421032430 is an apocalyptic number.

22421032430 is a deficient number, since it is larger than the sum of its proper divisors (17936825962).

22421032430 is a wasteful number, since it uses less digits than its factorization.

22421032430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242103250.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22421032430 its reverse (3423012422), we get a palindrome (25844044852).

The spelling of 22421032430 in words is "twenty-two billion, four hundred twenty-one million, thirty-two thousand, four hundred thirty".