28345314622 has 16 divisors (see below), whose sum is σ = 42919866000. Its totient is φ = 14038764480.

The previous prime is 28345314611. The next prime is 28345314631. The reversal of 28345314622 is 22641354382.

It is a happy number.

It is a super-2 number, since 2×28345314622² (a number of 22 digits) contains 22 as substring.

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, 877722 + ... + 909442.

It is an arithmetic number, because the mean of its divisors is an integer number (2682491625).

Almost surely, 2^28345314622 is an apocalyptic number.

28345314622 is a deficient number, since it is larger than the sum of its proper divisors (14574551378).

28345314622 is a wasteful number, since it uses less digits than its factorization.

28345314622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35931.

The product of its digits is 276480, while the sum is 40.

The spelling of 28345314622 in words is "twenty-eight billion, three hundred forty-five million, three hundred fourteen thousand, six hundred twenty-two".