22154054124065 has 8 divisors (see below), whose sum is σ = 27984068367360. Its totient is φ = 16790441020272.

The previous prime is 22154054124049. The next prime is 22154054124073. The reversal of 22154054124065 is 56042145045122.

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 22154054124065 - 2⁴ = 22154054124049 is a prime.

It is a super-2 number, since 2×22154054124065² (a number of 27 digits) contains 22 as substring.

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, 116600284769 + ... + 116600284958.

It is an arithmetic number, because the mean of its divisors is an integer number (3498008545920).

Almost surely, 2^{22154054124065} is an apocalyptic number.

It is an amenable number.

22154054124065 is a deficient number, since it is larger than the sum of its proper divisors (5830014243295).

22154054124065 is a wasteful number, since it uses less digits than its factorization.

22154054124065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233200569751.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 22154054124065 its reverse (56042145045122), we get a palindrome (78196199169187).

The spelling of 22154054124065 in words is "twenty-two trillion, one hundred fifty-four billion, fifty-four million, one hundred twenty-four thousand, sixty-five".