1315202222 has 16 divisors (see below), whose sum is σ = 2069236800. Its totient is φ = 626213088.

The previous prime is 1315202219. The next prime is 1315202303. The reversal of 1315202222 is 2222025131.

It is a junction number, because it is equal to n+sod(n) for n = 1315202194 and 1315202203.

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, 185597 + ... + 192552.

It is an arithmetic number, because the mean of its divisors is an integer number (129327300).

Almost surely, 2^1315202222 is an apocalyptic number.

1315202222 is a deficient number, since it is larger than the sum of its proper divisors (754034578).

1315202222 is a wasteful number, since it uses less digits than its factorization.

1315202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378235.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1315202222 is about 36265.7168962644. The cubic root of 1315202222 is about 1095.6306624658.

Adding to 1315202222 its reverse (2222025131), we get a palindrome (3537227353).

The spelling of 1315202222 in words is "one billion, three hundred fifteen million, two hundred two thousand, two hundred twenty-two".