23390422 has 8 divisors (see below), whose sum is σ = 38275272. Its totient is φ = 10632000.

The previous prime is 23390417. The next prime is 23390429. The reversal of 23390422 is 22409332.

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

It is a super-2 number, since 2×23390422² = 1094223682676168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531579 + ... + 531622.

It is an arithmetic number, because the mean of its divisors is an integer number (4784409).

Almost surely, 2^23390422 is an apocalyptic number.

23390422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23390422 is a deficient number, since it is larger than the sum of its proper divisors (14884850).

23390422 is a wasteful number, since it uses less digits than its factorization.

23390422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063214.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23390422 is about 4836.3645437456. The cubic root of 23390422 is about 285.9868202641.

Adding to 23390422 its reverse (22409332), we get a palindrome (45799754).

The spelling of 23390422 in words is "twenty-three million, three hundred ninety thousand, four hundred twenty-two".