22540044141 has 6 divisors (see below), whose sum is σ = 32557841550. Its totient is φ = 15026696088.

The previous prime is 22540044119. The next prime is 22540044161. The reversal of 22540044141 is 14144004522.

It can be written as a sum of positive squares in only one way, i.e., 13561534116 + 8978510025 = 116454^2 + 94755^2 .

It is not a de Polignac number, because 22540044141 - 2³¹ = 20392560493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540044161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1252224666 + ... + 1252224683.

It is an arithmetic number, because the mean of its divisors is an integer number (5426306925).

Almost surely, 2^22540044141 is an apocalyptic number.

It is an amenable number.

22540044141 is a deficient number, since it is larger than the sum of its proper divisors (10017797409).

22540044141 is a wasteful number, since it uses less digits than its factorization.

22540044141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504449355 (or 2504449352 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 22540044141 its reverse (14144004522), we get a palindrome (36684048663).

The spelling of 22540044141 in words is "twenty-two billion, five hundred forty million, forty-four thousand, one hundred forty-one".