15422214 has 8 divisors (see below), whose sum is σ = 30844440. Its totient is φ = 5140736.

The previous prime is 15422207. The next prime is 15422219. The reversal of 15422214 is 41222451.

15422214 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

15422214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15422219) 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, 1285179 + ... + 1285190.

It is an arithmetic number, because the mean of its divisors is an integer number (3855555).

Almost surely, 2^15422214 is an apocalyptic number.

15422214 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.

15422214 is a wasteful number, since it uses less digits than its factorization.

15422214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570374.

The product of its digits is 640, while the sum is 21.

The square root of 15422214 is about 3927.1126798196. The cubic root of 15422214 is about 248.9137618489.

Adding to 15422214 its reverse (41222451), we get a palindrome (56644665).

The spelling of 15422214 in words is "fifteen million, four hundred twenty-two thousand, two hundred fourteen".