22011022028 has 12 divisors (see below), whose sum is σ = 39006875040. Its totient is φ = 10866200592.

The previous prime is 22011022027. The next prime is 22011022067. The reversal of 22011022028 is 82022011022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22011022027) 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, 34827251 + ... + 34827882.

It is an arithmetic number, because the mean of its divisors is an integer number (3250572920).

Almost surely, 2^22011022028 is an apocalyptic number.

It is an amenable number.

22011022028 is a deficient number, since it is larger than the sum of its proper divisors (16995853012).

22011022028 is a wasteful number, since it uses less digits than its factorization.

22011022028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69655216 (or 69655214 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 22011022028 in words is "twenty-two billion, eleven million, twenty-two thousand, twenty-eight".