15242230 has 8 divisors (see below), whose sum is σ = 27436032. Its totient is φ = 6096888.

The previous prime is 15242221. The next prime is 15242239. The reversal of 15242230 is 3224251.

It is an interprime number because it is at equal distance from previous prime (15242221) and next prime (15242239).

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 = 15242198 and 15242207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242239) 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, 762102 + ... + 762121.

It is an arithmetic number, because the mean of its divisors is an integer number (3429504).

Almost surely, 2^15242230 is an apocalyptic number.

15242230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15242230 is a deficient number, since it is larger than the sum of its proper divisors (12193802).

15242230 is a wasteful number, since it uses less digits than its factorization.

15242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524230.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 15242230 is about 3904.1298646433. The cubic root of 15242230 is about 247.9416594471.

Adding to 15242230 its reverse (3224251), we get a palindrome (18466481).

The spelling of 15242230 in words is "fifteen million, two hundred forty-two thousand, two hundred thirty".