1222430440222 has 4 divisors (see below), whose sum is σ = 1833645660336. Its totient is φ = 611215220110.

The previous prime is 1222430440213. The next prime is 1222430440291. The reversal of 1222430440222 is 2220440342221.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 305607610054 + ... + 305607610057.

It is an arithmetic number, because the mean of its divisors is an integer number (458411415084).

Almost surely, 2^{1222430440222} is an apocalyptic number.

1222430440222 is a deficient number, since it is larger than the sum of its proper divisors (611215220114).

1222430440222 is an equidigital number, since it uses as much as digits as its factorization.

1222430440222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611215220113.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 1222430440222 its reverse (2220440342221), we get a palindrome (3442870782443).

The spelling of 1222430440222 in words is "one trillion, two hundred twenty-two billion, four hundred thirty million, four hundred forty thousand, two hundred twenty-two".