15285229 has 2 divisors, whose sum is σ = 15285230. Its totient is φ = 15285228.

The previous prime is 15285217. The next prime is 15285241. The reversal of 15285229 is 92258251.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (15285217) and next prime (15285241).

It can be written as a sum of positive squares in only one way, i.e., 14516100 + 769129 = 3810^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 15285229 - 2¹¹ = 15283181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15285194 and 15285203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15285209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7642614 + 7642615.

It is an arithmetic number, because the mean of its divisors is an integer number (7642615).

Almost surely, 2^15285229 is an apocalyptic number.

It is an amenable number.

15285229 is a deficient number, since it is larger than the sum of its proper divisors (1).

15285229 is an equidigital number, since it uses as much as digits as its factorization.

15285229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 15285229 is about 3909.6328472121. The cubic root of 15285229 is about 248.1745919821.

It can be divided in two parts, 152852 and 29, that added together give a square (152881 = 391²).

The spelling of 15285229 in words is "fifteen million, two hundred eighty-five thousand, two hundred twenty-nine".