1222041403 has 4 divisors (see below), whose sum is σ = 1333136088. Its totient is φ = 1110946720.

The previous prime is 1222041391. The next prime is 1222041409. The reversal of 1222041403 is 3041402221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222041403 - 2²⁹ = 685170491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222041409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55547326 + ... + 55547347.

It is an arithmetic number, because the mean of its divisors is an integer number (333284022).

Almost surely, 2^1222041403 is an apocalyptic number.

1222041403 is a deficient number, since it is larger than the sum of its proper divisors (111094685).

1222041403 is a wasteful number, since it uses less digits than its factorization.

1222041403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111094684.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1222041403 is about 34957.7087778933. The cubic root of 1222041403 is about 1069.1253815925.

Adding to 1222041403 its reverse (3041402221), we get a palindrome (4263443624).

The spelling of 1222041403 in words is "one billion, two hundred twenty-two million, forty-one thousand, four hundred three".