10717220 has 12 divisors (see below), whose sum is σ = 22506204. Its totient is φ = 4286880.

The previous prime is 10717169. The next prime is 10717243. The reversal of 10717220 is 2271701.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 6522916 = 2048^2 + 2554^2 .

It is a super-2 number, since 2×10717220² = 229717609056800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 535861 = 10717220 / (1 + 0 + 7 + 1 + 7 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10717192 and 10717201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267911 + ... + 267950.

It is an arithmetic number, because the mean of its divisors is an integer number (1875517).

Almost surely, 2^10717220 is an apocalyptic number.

10717220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10717220 is an abundant number, since it is smaller than the sum of its proper divisors (11788984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10717220 is a wasteful number, since it uses less digits than its factorization.

10717220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535870 (or 535868 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 10717220 is about 3273.7165424025. The cubic root of 10717220 is about 220.4756924612.

Adding to 10717220 its reverse (2271701), we get a palindrome (12988921).

The spelling of 10717220 in words is "ten million, seven hundred seventeen thousand, two hundred twenty".