10311222 has 16 divisors (see below), whose sum is σ = 21519360. Its totient is φ = 3287592.

The previous prime is 10311221. The next prime is 10311229. The reversal of 10311222 is 22211301.

It is a junction number, because it is equal to n+sod(n) for n = 10311198 and 10311207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37222 + ... + 37497.

It is an arithmetic number, because the mean of its divisors is an integer number (1344960).

Almost surely, 2^10311222 is an apocalyptic number.

10311222 is an abundant number, since it is smaller than the sum of its proper divisors (11208138).

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

10311222 is a wasteful number, since it uses less digits than its factorization.

10311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74747.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10311222 is about 3211.1091541709. The cubic root of 10311222 is about 217.6557003773.

Adding to 10311222 its reverse (22211301), we get a palindrome (32522523).

It can be divided in two parts, 103 and 11222, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 10311222 in words is "ten million, three hundred eleven thousand, two hundred twenty-two".