15220063 has 8 divisors (see below), whose sum is σ = 15592176. Its totient is φ = 14851200.

The previous prime is 15220031. The next prime is 15220067. The reversal of 15220063 is 36002251.

It is a happy number.

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 15220063 - 2⁵ = 15220031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15220063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15220067) 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, 10503 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (1949022).

Almost surely, 2^15220063 is an apocalyptic number.

15220063 is a deficient number, since it is larger than the sum of its proper divisors (372113).

15220063 is a wasteful number, since it uses less digits than its factorization.

15220063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 15220063 is about 3901.2899148871. The cubic root of 15220063 is about 247.8214060615.

The spelling of 15220063 in words is "fifteen million, two hundred twenty thousand, sixty-three".