10522213 has 4 divisors (see below), whose sum is σ = 11331628. Its totient is φ = 9712800.

The previous prime is 10522207. The next prime is 10522217. The reversal of 10522213 is 31222501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31222501 = 1637 ⋅19073.

It can be written as a sum of positive squares in 2 ways, for example, as 4919524 + 5602689 = 2218^2 + 2367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10522213 is a prime.

It is a super-2 number, since 2×10522213² = 221433932834738, 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 (10522217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404688 + ... + 404713.

It is an arithmetic number, because the mean of its divisors is an integer number (2832907).

Almost surely, 2^10522213 is an apocalyptic number.

10522213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10522213 is a deficient number, since it is larger than the sum of its proper divisors (809415).

10522213 is an equidigital number, since it uses as much as digits as its factorization.

10522213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809414.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10522213 is about 3243.7960786708. The cubic root of 10522213 is about 219.1302645153.

Adding to 10522213 its reverse (31222501), we get a palindrome (41744714).

The spelling of 10522213 in words is "ten million, five hundred twenty-two thousand, two hundred thirteen".