1222022253403 has 4 divisors (see below), whose sum is σ = 1396596861040. Its totient is φ = 1047447645768.

The previous prime is 1222022253367. The next prime is 1222022253443. The reversal of 1222022253403 is 3043522202221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222022253403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222022253443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87287303808 + ... + 87287303821.

It is an arithmetic number, because the mean of its divisors is an integer number (349149215260).

Almost surely, 2^{1222022253403} is an apocalyptic number.

1222022253403 is a deficient number, since it is larger than the sum of its proper divisors (174574607637).

1222022253403 is an equidigital number, since it uses as much as digits as its factorization.

1222022253403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174574607636.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 1222022253403 its reverse (3043522202221), we get a palindrome (4265544455624).

The spelling of 1222022253403 in words is "one trillion, two hundred twenty-two billion, twenty-two million, two hundred fifty-three thousand, four hundred three".