10644222 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 3389760.

The previous prime is 10644211. The next prime is 10644229. The reversal of 10644222 is 22244601.

It is a super-2 number, since 2×10644222² = 226598923970568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644229) 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, 16233 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^10644222 is an apocalyptic number.

10644222 is an abundant number, since it is smaller than the sum of its proper divisors (11612418).

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

10644222 is a wasteful number, since it uses less digits than its factorization.

10644222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 10644222 is about 3262.5483904457. The cubic root of 10644222 is about 219.9739776384.

Adding to 10644222 its reverse (22244601), we get a palindrome (32888823).

The spelling of 10644222 in words is "ten million, six hundred forty-four thousand, two hundred twenty-two".