1022213212022 has 4 divisors (see below), whose sum is σ = 1533319818036. Its totient is φ = 511106606010.

The previous prime is 1022213211989. The next prime is 1022213212039. The reversal of 1022213212022 is 2202123122201.

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 = 1022213211985 and 1022213212003.

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, 255553303004 + ... + 255553303007.

It is an arithmetic number, because the mean of its divisors is an integer number (383329954509).

Almost surely, 2^{1022213212022} is an apocalyptic number.

1022213212022 is a deficient number, since it is larger than the sum of its proper divisors (511106606014).

1022213212022 is an equidigital number, since it uses as much as digits as its factorization.

1022213212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511106606013.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1022213212022 its reverse (2202123122201), we get a palindrome (3224336334223).

The spelling of 1022213212022 in words is "one trillion, twenty-two billion, two hundred thirteen million, two hundred twelve thousand, twenty-two".