15020222 has 16 divisors (see below), whose sum is σ = 27104640. Its totient is φ = 6098328.

The previous prime is 15020221. The next prime is 15020237. The reversal of 15020222 is 22202051.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 15020197 and 15020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020221) 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 7 ways as a sum of consecutive naturals, for example, 27968 + ... + 28499.

It is an arithmetic number, because the mean of its divisors is an integer number (1694040).

Almost surely, 2^15020222 is an apocalyptic number.

15020222 is a deficient number, since it is larger than the sum of its proper divisors (12084418).

15020222 is a wasteful number, since it uses less digits than its factorization.

15020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56495.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 15020222 is about 3875.5931158985. The cubic root of 15020222 is about 246.7319837577.

Adding to 15020222 its reverse (22202051), we get a palindrome (37222273).

The spelling of 15020222 in words is "fifteen million, twenty thousand, two hundred twenty-two".