22501222040315 has 4 divisors (see below), whose sum is σ = 27001466448384. Its totient is φ = 18000977632248.

The previous prime is 22501222040293. The next prime is 22501222040369. The reversal of 22501222040315 is 51304022210522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22501222040315 - 2¹² = 22501222036219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2250122204027 + ... + 2250122204036.

It is an arithmetic number, because the mean of its divisors is an integer number (6750366612096).

Almost surely, 2^{22501222040315} is an apocalyptic number.

22501222040315 is a deficient number, since it is larger than the sum of its proper divisors (4500244408069).

22501222040315 is an equidigital number, since it uses as much as digits as its factorization.

22501222040315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500244408068.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 22501222040315 its reverse (51304022210522), we get a palindrome (73805244250837).

The spelling of 22501222040315 in words is "twenty-two trillion, five hundred one billion, two hundred twenty-two million, forty thousand, three hundred fifteen".