22154054124345 has 64 divisors (see below), whose sum is σ = 41671973145600. Its totient is φ = 9908303927040.

The previous prime is 22154054124299. The next prime is 22154054124353. The reversal of 22154054124345 is 54342145045122.

It is not a de Polignac number, because 22154054124345 - 2¹¹ = 22154054122297 is a prime.

It is a super-2 number, since 2×22154054124345² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22154054124297 and 22154054124306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 409935 + ... + 6669044.

It is an arithmetic number, because the mean of its divisors is an integer number (651124580400).

Almost surely, 2^{22154054124345} is an apocalyptic number.

It is an amenable number.

22154054124345 is a deficient number, since it is larger than the sum of its proper divisors (19517919021255).

22154054124345 is a wasteful number, since it uses less digits than its factorization.

22154054124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080470.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 22154054124345 its reverse (54342145045122), we get a palindrome (76496199169467).

The spelling of 22154054124345 in words is "twenty-two trillion, one hundred fifty-four billion, fifty-four million, one hundred twenty-four thousand, three hundred forty-five".