22022225615545 has 8 divisors (see below), whose sum is σ = 27279143988480. Its totient is φ = 17049464992560.

The previous prime is 22022225615513. The next prime is 22022225615563. The reversal of 22022225615545 is 54551652222022.

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

It is not a de Polignac number, because 22022225615545 - 2⁵ = 22022225615513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71039437315 + ... + 71039437624.

It is an arithmetic number, because the mean of its divisors is an integer number (3409892998560).

Almost surely, 2^{22022225615545} is an apocalyptic number.

It is an amenable number.

22022225615545 is a deficient number, since it is larger than the sum of its proper divisors (5256918372935).

22022225615545 is a wasteful number, since it uses less digits than its factorization.

22022225615545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142078874975.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 22022225615545 its reverse (54551652222022), we get a palindrome (76573877837567).

The spelling of 22022225615545 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-five million, six hundred fifteen thousand, five hundred forty-five".