22154565655 has 8 divisors (see below), whose sum is σ = 27741369312. Its totient is φ = 16953058848.

The previous prime is 22154565613. The next prime is 22154565691. The reversal of 22154565655 is 55656545122.

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

It is a cyclic number.

It is not a de Polignac number, because 22154565655 - 2¹³ = 22154557463 is a prime.

It is a Duffinian number.

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, 96324084 + ... + 96324313.

It is an arithmetic number, because the mean of its divisors is an integer number (3467671164).

Almost surely, 2^22154565655 is an apocalyptic number.

22154565655 is a deficient number, since it is larger than the sum of its proper divisors (5586803657).

22154565655 is a wasteful number, since it uses less digits than its factorization.

22154565655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192648425.

The product of its digits is 1800000, while the sum is 46.

The spelling of 22154565655 in words is "twenty-two billion, one hundred fifty-four million, five hundred sixty-five thousand, six hundred fifty-five".