21422220230 has 8 divisors (see below), whose sum is σ = 38559996432. Its totient is φ = 8568888088.

The previous prime is 21422220229. The next prime is 21422220271. The reversal of 21422220230 is 3202222412.

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

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, 1071111002 + ... + 1071111021.

It is an arithmetic number, because the mean of its divisors is an integer number (4819999554).

Almost surely, 2^21422220230 is an apocalyptic number.

21422220230 is a deficient number, since it is larger than the sum of its proper divisors (17137776202).

21422220230 is a wasteful number, since it uses less digits than its factorization.

21422220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142222030.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 21422220230 its reverse (3202222412), we get a palindrome (24624442642).

The spelling of 21422220230 in words is "twenty-one billion, four hundred twenty-two million, two hundred twenty thousand, two hundred thirty".