15220130 has 16 divisors (see below), whose sum is σ = 27466560. Its totient is φ = 6072432.

The previous prime is 15220129. The next prime is 15220133. The reversal of 15220130 is 3102251.

It is a happy number.

15220130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15220133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657 + ... + 6123.

It is an arithmetic number, because the mean of its divisors is an integer number (1716660).

Almost surely, 2^15220130 is an apocalyptic number.

15220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15220130 is a deficient number, since it is larger than the sum of its proper divisors (12246430).

15220130 is a wasteful number, since it uses less digits than its factorization.

15220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 15220130 is about 3901.2985017812. The cubic root of 15220130 is about 247.8217697046.

Adding to 15220130 its reverse (3102251), we get a palindrome (18322381).

The spelling of 15220130 in words is "fifteen million, two hundred twenty thousand, one hundred thirty".