1231333222022 has 4 divisors (see below), whose sum is σ = 1846999833036. Its totient is φ = 615666611010.

The previous prime is 1231333222019. The next prime is 1231333222057. The reversal of 1231333222022 is 2202223331321.

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 = 1231333221982 and 1231333222000.

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, 307833305504 + ... + 307833305507.

It is an arithmetic number, because the mean of its divisors is an integer number (461749958259).

Almost surely, 2^{1231333222022} is an apocalyptic number.

1231333222022 is a deficient number, since it is larger than the sum of its proper divisors (615666611014).

1231333222022 is an equidigital number, since it uses as much as digits as its factorization.

1231333222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615666611013.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1231333222022 its reverse (2202223331321), we get a palindrome (3433556553343).

The spelling of 1231333222022 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-three million, two hundred twenty-two thousand, twenty-two".