1222211003 has 12 divisors (see below), whose sum is σ = 1363191648. Its totient is φ = 1089281760.

The previous prime is 1222210993. The next prime is 1222211017. The reversal of 1222211003 is 3001122221.

It is a happy number.

It is not a de Polignac number, because 1222211003 - 2⁴ = 1222210987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222211093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44963 + ... + 66828.

It is an arithmetic number, because the mean of its divisors is an integer number (113599304).

Almost surely, 2^1222211003 is an apocalyptic number.

1222211003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1222211003 is a deficient number, since it is larger than the sum of its proper divisors (140980645).

1222211003 is a wasteful number, since it uses less digits than its factorization.

1222211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111862 (or 111833 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1222211003 is about 34960.1344820068. The cubic root of 1222211003 is about 1069.1748385304.

Adding to 1222211003 its reverse (3001122221), we get a palindrome (4223333224).

The spelling of 1222211003 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, three".