22646599855 has 8 divisors (see below), whose sum is σ = 29646458064. Its totient is φ = 16470254400.

The previous prime is 22646599837. The next prime is 22646599867. The reversal of 22646599855 is 55899564622.

It is a happy number.

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

It is not a de Polignac number, because 22646599855 - 2¹⁹ = 22646075567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22646599793 and 22646599802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205878126 + ... + 205878235.

It is an arithmetic number, because the mean of its divisors is an integer number (3705807258).

Almost surely, 2^22646599855 is an apocalyptic number.

22646599855 is a deficient number, since it is larger than the sum of its proper divisors (6999858209).

22646599855 is a wasteful number, since it uses less digits than its factorization.

22646599855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411756377.

The product of its digits is 46656000, while the sum is 61.

The spelling of 22646599855 in words is "twenty-two billion, six hundred forty-six million, five hundred ninety-nine thousand, eight hundred fifty-five".