14878222 has 4 divisors (see below), whose sum is σ = 22317336. Its totient is φ = 7439110.

The previous prime is 14878211. The next prime is 14878229. The reversal of 14878222 is 22287841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22287841 = 4721².

It is a super-2 number, since 2×14878222² = 442722979762568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14878229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719554 + ... + 3719557.

It is an arithmetic number, because the mean of its divisors is an integer number (5579334).

Almost surely, 2^14878222 is an apocalyptic number.

14878222 is a deficient number, since it is larger than the sum of its proper divisors (7439114).

14878222 is an equidigital number, since it uses as much as digits as its factorization.

14878222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439113.

The product of its digits is 14336, while the sum is 34.

The square root of 14878222 is about 3857.2298349982. The cubic root of 14878222 is about 245.9519923062.

The spelling of 14878222 in words is "fourteen million, eight hundred seventy-eight thousand, two hundred twenty-two".