15980422 has 8 divisors (see below), whose sum is σ = 24208272. Its totient is φ = 7911000.

The previous prime is 15980389. The next prime is 15980429. The reversal of 15980422 is 22408951.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15980429) 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, 39354 + ... + 39757.

It is an arithmetic number, because the mean of its divisors is an integer number (3026034).

Almost surely, 2^15980422 is an apocalyptic number.

15980422 is a deficient number, since it is larger than the sum of its proper divisors (8227850).

15980422 is a wasteful number, since it uses less digits than its factorization.

15980422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79214.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 15980422 is about 3997.5520009126. The cubic root of 15980422 is about 251.8813899702.

The spelling of 15980422 in words is "fifteen million, nine hundred eighty thousand, four hundred twenty-two".