1319225002 has 4 divisors (see below), whose sum is σ = 1978837506. Its totient is φ = 659612500.

The previous prime is 1319224957. The next prime is 1319225003. The reversal of 1319225002 is 2005229131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1305304641 + 13920361 = 36129^2 + 3731^2 .

It is not an unprimeable number, because it can be changed into a prime (1319225003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329806249 + ... + 329806252.

Almost surely, 2^1319225002 is an apocalyptic number.

1319225002 is a deficient number, since it is larger than the sum of its proper divisors (659612504).

1319225002 is an equidigital number, since it uses as much as digits as its factorization.

1319225002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659612503.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1319225002 is about 36321.1371242697. The cubic root of 1319225002 is about 1096.7465859273.

The spelling of 1319225002 in words is "one billion, three hundred nineteen million, two hundred twenty-five thousand, two".