22542005404445 has 8 divisors (see below), whose sum is σ = 27071198504280. Its totient is φ = 18019742977600.

The previous prime is 22542005404441. The next prime is 22542005404459. The reversal of 22542005404445 is 54440450024522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33869617369 + 22508135787076 = 184037^2 + 4744274^2 .

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

It is not a de Polignac number, because 22542005404445 - 2² = 22542005404441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542005404441) 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, 1732661090 + ... + 1732674099.

It is an arithmetic number, because the mean of its divisors is an integer number (3383899813035).

Almost surely, 2^{22542005404445} is an apocalyptic number.

It is an amenable number.

22542005404445 is a deficient number, since it is larger than the sum of its proper divisors (4529193099835).

22542005404445 is a wasteful number, since it uses less digits than its factorization.

22542005404445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465336495.

The product of its (nonzero) digits is 1024000, while the sum is 41.

Adding to 22542005404445 its reverse (54440450024522), we get a palindrome (76982455428967).

The spelling of 22542005404445 in words is "twenty-two trillion, five hundred forty-two billion, five million, four hundred four thousand, four hundred forty-five".