22540333544 has 8 divisors (see below), whose sum is σ = 42263125410. Its totient is φ = 11270166768.

The previous prime is 22540333537. The next prime is 22540333579. The reversal of 22540333544 is 44533304522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11778760900 + 10761572644 = 108530^2 + 103738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408770839 + ... + 1408770854.

Almost surely, 2^22540333544 is an apocalyptic number.

It is an amenable number.

22540333544 is a deficient number, since it is larger than the sum of its proper divisors (19722791866).

22540333544 is a wasteful number, since it uses less digits than its factorization.

22540333544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817541699 (or 2817541695 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

The spelling of 22540333544 in words is "twenty-two billion, five hundred forty million, three hundred thirty-three thousand, five hundred forty-four".