1031222 has 4 divisors (see below), whose sum is σ = 1546836. Its totient is φ = 515610.

The previous prime is 1031189. The next prime is 1031231. The reversal of 1031222 is 2221301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 257804 + ... + 257807.

It is an arithmetic number, because the mean of its divisors is an integer number (386709).

2^1031222 is an apocalyptic number.

1031222 is a deficient number, since it is larger than the sum of its proper divisors (515614).

1031222 is an equidigital number, since it uses as much as digits as its factorization.

1031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515613.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1031222 is about 1015.4910142389. The cubic root of 1031222 is about 101.0300861257.

Adding to 1031222 its reverse (2221301), we get a palindrome (3252523).

The spelling of 1031222 in words is "one million, thirty-one thousand, two hundred twenty-two".