22017171042 has 12 divisors (see below), whose sum is σ = 47703870630. Its totient is φ = 7339057008.

The previous prime is 22017171017. The next prime is 22017171067. The reversal of 22017171042 is 24017171022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22017171017) and next prime (22017171067).

It can be written as a sum of positive squares in only one way, i.e., 16840512441 + 5176658601 = 129771^2 + 71949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22017170997 and 22017171015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611588067 + ... + 611588102.

Almost surely, 2^22017171042 is an apocalyptic number.

22017171042 is an abundant number, since it is smaller than the sum of its proper divisors (25686699588).

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

22017171042 is a wasteful number, since it uses less digits than its factorization.

22017171042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223176177 (or 1223176174 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The spelling of 22017171042 in words is "twenty-two billion, seventeen million, one hundred seventy-one thousand, forty-two".