1028222397004 has 24 divisors (see below), whose sum is σ = 2078438857488. Its totient is φ = 439881239040.

The previous prime is 1028222396983. The next prime is 1028222397061. The reversal of 1028222397004 is 4007932228201.

It is a happy 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, 687313689 + ... + 687315184.

It is an arithmetic number, because the mean of its divisors is an integer number (86601619062).

Almost surely, 2^{1028222397004} is an apocalyptic number.

It is an amenable number.

1028222397004 is an abundant number, since it is smaller than the sum of its proper divisors (1050216460484).

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

1028222397004 is a wasteful number, since it uses less digits than its factorization.

1028222397004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374628905 (or 1374628903 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 1028222397004 in words is "one trillion, twenty-eight billion, two hundred twenty-two million, three hundred ninety-seven thousand, four".