14228990 has 8 divisors (see below), whose sum is σ = 25612200. Its totient is φ = 5691592.

The previous prime is 14228989. The next prime is 14228999. The reversal of 14228990 is 9982241.

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 14228990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14228999) 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, 711440 + ... + 711459.

It is an arithmetic number, because the mean of its divisors is an integer number (3201525).

Almost surely, 2^14228990 is an apocalyptic number.

14228990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14228990 is a deficient number, since it is larger than the sum of its proper divisors (11383210).

14228990 is a wasteful number, since it uses less digits than its factorization.

14228990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422906.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 14228990 is about 3772.1333486503. The cubic root of 14228990 is about 242.3211704553.

The spelling of 14228990 in words is "fourteen million, two hundred twenty-eight thousand, nine hundred ninety".