15224261 has 8 divisors (see below), whose sum is σ = 16445184. Its totient is φ = 14010480.

The previous prime is 15224257. The next prime is 15224267. The reversal of 15224261 is 16242251.

It is a happy number.

15224261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15224261 - 2² = 15224257 is a prime.

It is a super-2 number, since 2×15224261² = 463556245992242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15224267) 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, 3176 + ... + 6366.

It is an arithmetic number, because the mean of its divisors is an integer number (2055648).

Almost surely, 2^15224261 is an apocalyptic number.

It is an amenable number.

15224261 is a deficient number, since it is larger than the sum of its proper divisors (1220923).

15224261 is a wasteful number, since it uses less digits than its factorization.

15224261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its digits is 960, while the sum is 23.

The square root of 15224261 is about 3901.8279049697. The cubic root of 15224261 is about 247.8441886792.

The spelling of 15224261 in words is "fifteen million, two hundred twenty-four thousand, two hundred sixty-one".