22654166642 has 8 divisors (see below), whose sum is σ = 33996154332. Its totient is φ = 11322115200.

The previous prime is 22654166627. The next prime is 22654166651. The reversal of 22654166642 is 24666145622.

It can be written as a sum of positive squares in 2 ways, for example, as 22010986321 + 643180321 = 148361^2 + 25361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22654166642² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22654166593 and 22654166602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478359 + ... + 2487482.

Almost surely, 2^22654166642 is an apocalyptic number.

22654166642 is a deficient number, since it is larger than the sum of its proper divisors (11341987690).

22654166642 is a wasteful number, since it uses less digits than its factorization.

22654166642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968124.

The product of its digits is 829440, while the sum is 44.

The spelling of 22654166642 in words is "twenty-two billion, six hundred fifty-four million, one hundred sixty-six thousand, six hundred forty-two".