23421422 has 8 divisors (see below), whose sum is σ = 35299272. Its totient is φ = 11655000.

The previous prime is 23421421. The next prime is 23421443. The reversal of 23421422 is 22412432.

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

It is a junction number, because it is equal to n+sod(n) for n = 23421394 and 23421403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27329 + ... + 28172.

It is an arithmetic number, because the mean of its divisors is an integer number (4412409).

Almost surely, 2^23421422 is an apocalyptic number.

23421422 is a deficient number, since it is larger than the sum of its proper divisors (11877850).

23421422 is a wasteful number, since it uses less digits than its factorization.

23421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55714.

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

The square root of 23421422 is about 4839.5683691834. The cubic root of 23421422 is about 286.1131066803.

Adding to 23421422 its reverse (22412432), we get a palindrome (45833854).

The spelling of 23421422 in words is "twenty-three million, four hundred twenty-one thousand, four hundred twenty-two".