1222403403 has 8 divisors (see below), whose sum is σ = 1755245968. Its totient is φ = 752248224.

The previous prime is 1222403393. The next prime is 1222403407. The reversal of 1222403403 is 3043042221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222403403 - 2⁹ = 1222402891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222403403.

It is not an unprimeable number, because it can be changed into a prime (1222403407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15671800 + ... + 15671877.

It is an arithmetic number, because the mean of its divisors is an integer number (219405746).

Almost surely, 2^1222403403 is an apocalyptic number.

1222403403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1222403403 is a deficient number, since it is larger than the sum of its proper divisors (532842565).

1222403403 is a wasteful number, since it uses less digits than its factorization.

1222403403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31343693.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1222403403 is about 34962.8860793842. The cubic root of 1222403403 is about 1069.2309386214.

Adding to 1222403403 its reverse (3043042221), we get a palindrome (4265445624).

The spelling of 1222403403 in words is "one billion, two hundred twenty-two million, four hundred three thousand, four hundred three".