10652221 has 4 divisors (see below), whose sum is σ = 10878912. Its totient is φ = 10425532.

The previous prime is 10652219. The next prime is 10652287. The reversal of 10652221 is 12225601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12225601 = 17 ⋅719153.

It is a cyclic number.

It is not a de Polignac number, because 10652221 - 2¹ = 10652219 is a prime.

It is a super-2 number, since 2×10652221² = 226939624465682, 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 (10652021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113275 + ... + 113368.

It is an arithmetic number, because the mean of its divisors is an integer number (2719728).

Almost surely, 2^10652221 is an apocalyptic number.

It is an amenable number.

10652221 is a deficient number, since it is larger than the sum of its proper divisors (226691).

10652221 is an equidigital number, since it uses as much as digits as its factorization.

10652221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226690.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10652221 is about 3263.7740424239. The cubic root of 10652221 is about 220.0290664075.

Adding to 10652221 its reverse (12225601), we get a palindrome (22877822).

The spelling of 10652221 in words is "ten million, six hundred fifty-two thousand, two hundred twenty-one".