15229069 has 2 divisors, whose sum is σ = 15229070. Its totient is φ = 15229068.

The previous prime is 15229063. The next prime is 15229087. The reversal of 15229069 is 96092251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15015625 + 213444 = 3875^2 + 462^2 .

It is an emirp because it is prime and its reverse (96092251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15229069 - 2¹¹ = 15227021 is a prime.

It is a super-2 number, since 2×15229069² = 463849085213522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15229063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7614534 + 7614535.

It is an arithmetic number, because the mean of its divisors is an integer number (7614535).

Almost surely, 2^15229069 is an apocalyptic number.

It is an amenable number.

15229069 is a deficient number, since it is larger than the sum of its proper divisors (1).

15229069 is an equidigital number, since it uses as much as digits as its factorization.

15229069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 15229069 is about 3902.4439778170. The cubic root of 15229069 is about 247.8702766326.

The spelling of 15229069 in words is "fifteen million, two hundred twenty-nine thousand, sixty-nine".