23420422 has 8 divisors (see below), whose sum is σ = 35155656. Its totient is φ = 11701872.

The previous prime is 23420387. The next prime is 23420437. The reversal of 23420422 is 22402432.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23420422.

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, 298 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (4394457).

Almost surely, 2^23420422 is an apocalyptic number.

23420422 is a deficient number, since it is larger than the sum of its proper divisors (11735234).

23420422 is a wasteful number, since it uses less digits than its factorization.

23420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23420422 is about 4839.4650530818. The cubic root of 23420422 is about 286.1090346648.

Adding to 23420422 its reverse (22402432), we get a palindrome (45822854).

The spelling of 23420422 in words is "twenty-three million, four hundred twenty thousand, four hundred twenty-two".