15002231 has 2 divisors, whose sum is σ = 15002232. Its totient is φ = 15002230.

The previous prime is 15002213. The next prime is 15002249. The reversal of 15002231 is 13220051.

It is a happy number.

Together with previous prime (15002213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (15002213) and next prime (15002249).

It is a cyclic number.

It is not a de Polignac number, because 15002231 - 2¹⁴ = 14985847 is a prime.

It is a super-2 number, since 2×15002231² = 450133869954722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7501115 + 7501116.

It is an arithmetic number, because the mean of its divisors is an integer number (7501116).

Almost surely, 2^15002231 is an apocalyptic number.

15002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15002231 is an equidigital number, since it uses as much as digits as its factorization.

15002231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 15002231 is about 3873.2713563602. The cubic root of 15002231 is about 246.6334337583.

Adding to 15002231 its reverse (13220051), we get a palindrome (28222282).

The spelling of 15002231 in words is "fifteen million, two thousand, two hundred thirty-one".