1320222 has 16 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 436632.

The previous prime is 1320211. The next prime is 1320247. The reversal of 1320222 is 2220231.

It is a super-2 number, since 2×1320222² = 3485972258568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320198 and 1320207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^1320222 is an apocalyptic number.

1320222 is an abundant number, since it is smaller than the sum of its proper divisors (1340898).

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

1320222 is a wasteful number, since it uses less digits than its factorization.

1320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1320222 is about 1149.0091383449. The cubic root of 1320222 is about 109.7022803355.

Adding to 1320222 its reverse (2220231), we get a palindrome (3540453).

Subtracting 1320222 from its reverse (2220231), we obtain a palindrome (900009).

The spelling of 1320222 in words is "one million, three hundred twenty thousand, two hundred twenty-two".