10556222 has 12 divisors (see below), whose sum is σ = 16147320. Its totient is φ = 5175768.

The previous prime is 10556207. The next prime is 10556239. The reversal of 10556222 is 22265501.

It is a super-2 number, since 2×10556222² = 222867645826568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4679 + ... + 6557.

It is an arithmetic number, because the mean of its divisors is an integer number (1345610).

Almost surely, 2^10556222 is an apocalyptic number.

10556222 is a deficient number, since it is larger than the sum of its proper divisors (5591098).

10556222 is an equidigital number, since it uses as much as digits as its factorization.

10556222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10556222 is about 3249.0340102867. The cubic root of 10556222 is about 219.3660953412.

It can be divided in two parts, 10556 and 222, that multiplied together give a palindrome (2343432).

The spelling of 10556222 in words is "ten million, five hundred fifty-six thousand, two hundred twenty-two".