1222330 has 16 divisors (see below), whose sum is σ = 2271744. Its totient is φ = 473040.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222330 is 332221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222330.

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 7 ways as a sum of consecutive naturals, for example, 1662 + ... + 2281.

It is an arithmetic number, because the mean of its divisors is an integer number (141984).

2^1222330 is an apocalyptic number.

1222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222330 is a deficient number, since it is larger than the sum of its proper divisors (1049414).

1222330 is a wasteful number, since it uses less digits than its factorization.

1222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1222330 is about 1105.5903400446. The cubic root of 1222330 is about 106.9209536431.

Adding to 1222330 its reverse (332221), we get a palindrome (1554551).

The spelling of 1222330 in words is "one million, two hundred twenty-two thousand, three hundred thirty".