22002442028 has 12 divisors (see below), whose sum is σ = 44004884112. Its totient is φ = 9429618000.

The previous prime is 22002442027. The next prime is 22002442039. The reversal of 22002442028 is 82024420022.

22002442028 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22002441988 and 22002442006.

It is not an unprimeable number, because it can be changed into a prime (22002442027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392900723 + ... + 392900778.

It is an arithmetic number, because the mean of its divisors is an integer number (3667073676).

Almost surely, 2^22002442028 is an apocalyptic number.

22002442028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22002442028 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.

22002442028 is a wasteful number, since it uses less digits than its factorization.

22002442028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785801512 (or 785801510 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The spelling of 22002442028 in words is "twenty-two billion, two million, four hundred forty-two thousand, twenty-eight".