1303121222 has 16 divisors (see below), whose sum is σ = 2113786752. Its totient is φ = 598942080.

The previous prime is 1303121203. The next prime is 1303121231. The reversal of 1303121222 is 2221213031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97718 + ... + 110249.

It is an arithmetic number, because the mean of its divisors is an integer number (132111672).

Almost surely, 2^1303121222 is an apocalyptic number.

1303121222 is a deficient number, since it is larger than the sum of its proper divisors (810665530).

1303121222 is a wasteful number, since it uses less digits than its factorization.

1303121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208223.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1303121222 is about 36098.7703668698. The cubic root of 1303121222 is about 1092.2656412295.

Adding to 1303121222 its reverse (2221213031), we get a palindrome (3524334253).

The spelling of 1303121222 in words is "one billion, three hundred three million, one hundred twenty-one thousand, two hundred twenty-two".