1222000003 has 4 divisors (see below), whose sum is σ = 1396571440. Its totient is φ = 1047428568.

The previous prime is 1221999997. The next prime is 1222000009. The reversal of 1222000003 is 3000002221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3000002221 = 26119 ⋅114859.

It is an interprime number because it is at equal distance from previous prime (1221999997) and next prime (1222000009).

It is a cyclic number.

It is not a de Polignac number, because 1222000003 - 2²⁹ = 685129091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222000009) 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, 87285708 + ... + 87285721.

It is an arithmetic number, because the mean of its divisors is an integer number (349142860).

Almost surely, 2^1222000003 is an apocalyptic number.

1222000003 is a deficient number, since it is larger than the sum of its proper divisors (174571437).

1222000003 is an equidigital number, since it uses as much as digits as its factorization.

1222000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174571436.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1222000003 is about 34957.1166288068. The cubic root of 1222000003 is about 1069.1133082726.

Adding to 1222000003 its reverse (3000002221), we get a palindrome (4222002224).

The spelling of 1222000003 in words is "one billion, two hundred twenty-two million, three", and thus it is an aban number.