22554145121 has 8 divisors (see below), whose sum is σ = 22826003904. Its totient is φ = 22283417520.

The previous prime is 22554145109. The next prime is 22554145153. The reversal of 22554145121 is 12154145522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22554145121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22554145181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242645 + ... + 322466.

It is an arithmetic number, because the mean of its divisors is an integer number (2853250488).

Almost surely, 2^22554145121 is an apocalyptic number.

It is an amenable number.

22554145121 is a deficient number, since it is larger than the sum of its proper divisors (271858783).

22554145121 is a wasteful number, since it uses less digits than its factorization.

22554145121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565591.

The product of its digits is 16000, while the sum is 32.

The spelling of 22554145121 in words is "twenty-two billion, five hundred fifty-four million, one hundred forty-five thousand, one hundred twenty-one".