10220715 has 16 divisors (see below), whose sum is σ = 18170400. Its totient is φ = 5450976.

The previous prime is 10220711. The next prime is 10220729. The reversal of 10220715 is 51702201.

It is not a de Polignac number, because 10220715 - 2² = 10220711 is a prime.

It is a super-2 number, since 2×10220715² = 208926030222450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10220711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37720 + ... + 37989.

It is an arithmetic number, because the mean of its divisors is an integer number (1135650).

Almost surely, 2^10220715 is an apocalyptic number.

10220715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10220715 is a deficient number, since it is larger than the sum of its proper divisors (7949685).

10220715 is an equidigital number, since it uses as much as digits as its factorization.

10220715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75723 (or 75717 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 10220715 is about 3196.9852986837. The cubic root of 10220715 is about 217.0170019312.

Adding to 10220715 its reverse (51702201), we get a palindrome (61922916).

The spelling of 10220715 in words is "ten million, two hundred twenty thousand, seven hundred fifteen".