1310222372 has 6 divisors (see below), whose sum is σ = 2292889158. Its totient is φ = 655111184.

The previous prime is 1310222371. The next prime is 1310222377. The reversal of 1310222372 is 2732220131.

It can be written as a sum of positive squares in only one way, i.e., 1146228736 + 163993636 = 33856^2 + 12806^2 .

It is not an unprimeable number, because it can be changed into a prime (1310222371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163777793 + ... + 163777800.

It is an arithmetic number, because the mean of its divisors is an integer number (382148193).

Almost surely, 2^1310222372 is an apocalyptic number.

It is an amenable number.

1310222372 is a deficient number, since it is larger than the sum of its proper divisors (982666786).

1310222372 is a wasteful number, since it uses less digits than its factorization.

1310222372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327555597 (or 327555595 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1310222372 is about 36196.9939635876. The cubic root of 1310222372 is about 1094.2460903097.

The spelling of 1310222372 in words is "one billion, three hundred ten million, two hundred twenty-two thousand, three hundred seventy-two".