10220515 has 8 divisors (see below), whose sum is σ = 12448080. Its totient is φ = 8054112.

The previous prime is 10220513. The next prime is 10220563. The reversal of 10220515 is 51502201.

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 10220515 - 2¹ = 10220513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10220513) 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, 14920 + ... + 15589.

It is an arithmetic number, because the mean of its divisors is an integer number (1556010).

Almost surely, 2^10220515 is an apocalyptic number.

10220515 is a deficient number, since it is larger than the sum of its proper divisors (2227565).

10220515 is an equidigital number, since it uses as much as digits as its factorization.

10220515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30581.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10220515 is about 3196.9540190625. The cubic root of 10220515 is about 217.0155863850.

Adding to 10220515 its reverse (51502201), we get a palindrome (61722716).

The spelling of 10220515 in words is "ten million, two hundred twenty thousand, five hundred fifteen".