22540564154 has 8 divisors (see below), whose sum is σ = 33811520148. Its totient is φ = 11270057440.

The previous prime is 22540564153. The next prime is 22540564237. The reversal of 22540564154 is 45146504522.

It can be written as a sum of positive squares in 2 ways, for example, as 11656441225 + 10884122929 = 107965^2 + 104327^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22540564153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76784 + ... + 225780.

Almost surely, 2^22540564154 is an apocalyptic number.

22540564154 is a deficient number, since it is larger than the sum of its proper divisors (11270955994).

22540564154 is a wasteful number, since it uses less digits than its factorization.

22540564154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224640.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 22540564154 in words is "twenty-two billion, five hundred forty million, five hundred sixty-four thousand, one hundred fifty-four".