1323022222 has 4 divisors (see below), whose sum is σ = 1984533336. Its totient is φ = 661511110.

The previous prime is 1323022219. The next prime is 1323022273. The reversal of 1323022222 is 2222203231.

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

1323022222 is a modest number, since divided by 22222 gives 13230 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1323022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330755554 + ... + 330755557.

It is an arithmetic number, because the mean of its divisors is an integer number (496133334).

Almost surely, 2^1323022222 is an apocalyptic number.

1323022222 is a deficient number, since it is larger than the sum of its proper divisors (661511114).

1323022222 is an equidigital number, since it uses as much as digits as its factorization.

1323022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661511113.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1323022222 is about 36373.3724309418. The cubic root of 1323022222 is about 1097.7978593891.

Adding to 1323022222 its reverse (2222203231), we get a palindrome (3545225453).

The spelling of 1323022222 in words is "one billion, three hundred twenty-three million, twenty-two thousand, two hundred twenty-two".