15223422 has 8 divisors (see below), whose sum is σ = 30446856. Its totient is φ = 5074472.

The previous prime is 15223399. The next prime is 15223433. The reversal of 15223422 is 22432251.

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

15223422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 1268613 + ... + 1268624.

It is an arithmetic number, because the mean of its divisors is an integer number (3805857).

Almost surely, 2^15223422 is an apocalyptic number.

15223422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15223422 is a wasteful number, since it uses less digits than its factorization.

15223422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537242.

The product of its digits is 960, while the sum is 21.

The square root of 15223422 is about 3901.7203897768. The cubic root of 15223422 is about 247.8396357467.

Adding to 15223422 its reverse (22432251), we get a palindrome (37655673).

The spelling of 15223422 in words is "fifteen million, two hundred twenty-three thousand, four hundred twenty-two".