10622221 has 4 divisors (see below), whose sum is σ = 10687552. Its totient is φ = 10556892.

The previous prime is 10622203. The next prime is 10622231. The reversal of 10622221 is 12222601.

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: 12222601 = 29 ⋅421469.

It is a cyclic number.

It is not a de Polignac number, because 10622221 - 2⁵ = 10622189 is a prime.

It is a super-2 number, since 2×10622221² = 225663157945682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10622195 and 10622204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10622201) 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, 32421 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (2671888).

Almost surely, 2^10622221 is an apocalyptic number.

It is an amenable number.

10622221 is a deficient number, since it is larger than the sum of its proper divisors (65331).

10622221 is an equidigital number, since it uses as much as digits as its factorization.

10622221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65330.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10622221 is about 3259.1748955832. The cubic root of 10622221 is about 219.8223152078.

Adding to 10622221 its reverse (12222601), we get a palindrome (22844822).

The spelling of 10622221 in words is "ten million, six hundred twenty-two thousand, two hundred twenty-one".