22030776017 has 6 divisors (see below), whose sum is σ = 23327352018. Its totient is φ = 20734272032.

The previous prime is 22030776011. The next prime is 22030776037. The reversal of 22030776017 is 71067703022.

It can be written as a sum of positive squares in only one way, i.e., 20734848016 + 1295928001 = 143996^2 + 35999^2 .

It is not a de Polignac number, because 22030776017 - 2²² = 22026581713 is a prime.

It is a super-2 number, since 2×22030776017² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22030776011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 593984 + ... + 629982.

It is an arithmetic number, because the mean of its divisors is an integer number (3887892003).

Almost surely, 2^22030776017 is an apocalyptic number.

It is an amenable number.

22030776017 is a deficient number, since it is larger than the sum of its proper divisors (1296576001).

22030776017 is an frugal number, since it uses more digits than its factorization.

22030776017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72015 (or 36016 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 22030776017 in words is "twenty-two billion, thirty million, seven hundred seventy-six thousand, seventeen".