1331215402422 has 8 divisors (see below), whose sum is σ = 2662430804856. Its totient is φ = 443738467472.

The previous prime is 1331215402421. The next prime is 1331215402423. The reversal of 1331215402422 is 2242045121331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1331215402421) and next prime (1331215402423).

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

1331215402422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331215402422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331215402421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110934616863 + ... + 110934616874.

It is an arithmetic number, because the mean of its divisors is an integer number (332803850607).

Almost surely, 2^{1331215402422} is an apocalyptic number.

1331215402422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331215402422 is a wasteful number, since it uses less digits than its factorization.

1331215402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221869233742.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 1331215402422 in words is "one trillion, three hundred thirty-one billion, two hundred fifteen million, four hundred two thousand, four hundred twenty-two".