15013222 has 8 divisors (see below), whose sum is σ = 25736976. Its totient is φ = 6434232.

The previous prime is 15013183. The next prime is 15013237. The reversal of 15013222 is 22231051.

15013222 is digitally balanced in base 2, because in such base 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.

It is a junction number, because it is equal to n+sod(n) for n = 15013196 and 15013205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536173 + ... + 536200.

It is an arithmetic number, because the mean of its divisors is an integer number (3217122).

Almost surely, 2^15013222 is an apocalyptic number.

15013222 is a deficient number, since it is larger than the sum of its proper divisors (10723754).

15013222 is a wasteful number, since it uses less digits than its factorization.

15013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072382.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 15013222 is about 3874.6899230777. The cubic root of 15013222 is about 246.6936489435.

Adding to 15013222 its reverse (22231051), we get a palindrome (37244273).

The spelling of 15013222 in words is "fifteen million, thirteen thousand, two hundred twenty-two".