22154053665154 has 16 divisors (see below), whose sum is σ = 35497229147928. Its totient is φ = 10333176512512.

The previous prime is 22154053665151. The next prime is 22154053665193. The reversal of 22154053665154 is 45156635045122.

It can be written as a sum of positive squares in 4 ways, for example, as 13174903575625 + 8979150089529 = 3629725^2 + 2996523^2 .

It is a super-3 number, since 3×22154053665154³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22154053665098 and 22154053665107.

It is not an unprimeable number, because it can be changed into a prime (22154053665151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883136927 + ... + 2883144610.

Almost surely, 2^{22154053665154} is an apocalyptic number.

22154053665154 is a deficient number, since it is larger than the sum of its proper divisors (13343175482774).

22154053665154 is a wasteful number, since it uses less digits than its factorization.

22154053665154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766281669.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 22154053665154 in words is "twenty-two trillion, one hundred fifty-four billion, fifty-three million, six hundred sixty-five thousand, one hundred fifty-four".