1331222002 has 8 divisors (see below), whose sum is σ = 2178363312. Its totient is φ = 605100900.

The previous prime is 1331221987. The next prime is 1331222021. The reversal of 1331222002 is 2002221331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30255024 + ... + 30255067.

It is an arithmetic number, because the mean of its divisors is an integer number (272295414).

Almost surely, 2^1331222002 is an apocalyptic number.

1331222002 is a deficient number, since it is larger than the sum of its proper divisors (847141310).

1331222002 is a wasteful number, since it uses less digits than its factorization.

1331222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60510104.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1331222002 is about 36485.9151180288. The cubic root of 1331222002 is about 1100.0611541758.

Adding to 1331222002 its reverse (2002221331), we get a palindrome (3333443333).

The spelling of 1331222002 in words is "one billion, three hundred thirty-one million, two hundred twenty-two thousand, two".