1351222203 has 32 divisors (see below), whose sum is σ = 2022451200. Its totient is φ = 798266880.

The previous prime is 1351222181. The next prime is 1351222219. The reversal of 1351222203 is 3022221531.

It is not a de Polignac number, because 1351222203 - 2¹² = 1351218107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1351222203.

It is not an unprimeable number, because it can be changed into a prime (1351222283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46948 + ... + 70046.

It is an arithmetic number, because the mean of its divisors is an integer number (63201600).

Almost surely, 2^1351222203 is an apocalyptic number.

1351222203 is a deficient number, since it is larger than the sum of its proper divisors (671228997).

1351222203 is a wasteful number, since it uses less digits than its factorization.

1351222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1351222203 is about 36758.9744552266. The cubic root of 1351222203 is about 1105.5428774613.

Adding to 1351222203 its reverse (3022221531), we get a palindrome (4373443734).

The spelling of 1351222203 in words is "one billion, three hundred fifty-one million, two hundred twenty-two thousand, two hundred three".