1428031222492 has 24 divisors (see below), whose sum is σ = 2954547358560. Its totient is φ = 590909471040.

The previous prime is 1428031222477. The next prime is 1428031222559. The reversal of 1428031222492 is 2942221308241.

It is a happy number.

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, 879328759 + ... + 879330382.

It is an arithmetic number, because the mean of its divisors is an integer number (123106139940).

Almost surely, 2^{1428031222492} is an apocalyptic number.

It is an amenable number.

1428031222492 is an abundant number, since it is smaller than the sum of its proper divisors (1526516136068).

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

1428031222492 is a wasteful number, since it uses less digits than its factorization.

1428031222492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758659181 (or 1758659179 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 1428031222492 in words is "one trillion, four hundred twenty-eight billion, thirty-one million, two hundred twenty-two thousand, four hundred ninety-two".