14978422 has 8 divisors (see below), whose sum is σ = 23650200. Its totient is φ = 7095024.

The previous prime is 14978417. The next prime is 14978423. The reversal of 14978422 is 22487941.

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

It is a super-2 number, since 2×14978422² = 448706251220168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978423) 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, 197047 + ... + 197122.

It is an arithmetic number, because the mean of its divisors is an integer number (2956275).

Almost surely, 2^14978422 is an apocalyptic number.

14978422 is a deficient number, since it is larger than the sum of its proper divisors (8671778).

14978422 is a wasteful number, since it uses less digits than its factorization.

14978422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394190.

The product of its digits is 32256, while the sum is 37.

The square root of 14978422 is about 3870.1966358313. The cubic root of 14978422 is about 246.5028930726.

It can be divided in two parts, 14978 and 422, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 14978422 in words is "fourteen million, nine hundred seventy-eight thousand, four hundred twenty-two".