1233122222 has 4 divisors (see below), whose sum is σ = 1849683336. Its totient is φ = 616561110.

The previous prime is 1233122213. The next prime is 1233122227. The reversal of 1233122222 is 2222213321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1233122194 and 1233122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308280554 + ... + 308280557.

It is an arithmetic number, because the mean of its divisors is an integer number (462420834).

Almost surely, 2^1233122222 is an apocalyptic number.

1233122222 is a deficient number, since it is larger than the sum of its proper divisors (616561114).

1233122222 is an equidigital number, since it uses as much as digits as its factorization.

1233122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616561113.

The product of its digits is 576, while the sum is 20.

The square root of 1233122222 is about 35115.8400440599. The cubic root of 1233122222 is about 1072.3470829556.

Adding to 1233122222 its reverse (2222213321), we get a palindrome (3455335543).

The spelling of 1233122222 in words is "one billion, two hundred thirty-three million, one hundred twenty-two thousand, two hundred twenty-two".