22025404145015 has 4 divisors (see below), whose sum is σ = 26430484974024. Its totient is φ = 17620323316008.

The previous prime is 22025404144949. The next prime is 22025404145051. The reversal of 22025404145015 is 51054140452022.

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 22025404145015 - 2²⁶ = 22025337036151 is a prime.

It is a Duffinian number.

It is a congruent 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, 2202540414497 + ... + 2202540414506.

It is an arithmetic number, because the mean of its divisors is an integer number (6607621243506).

Almost surely, 2^{22025404145015} is an apocalyptic number.

22025404145015 is a deficient number, since it is larger than the sum of its proper divisors (4405080829009).

22025404145015 is an equidigital number, since it uses as much as digits as its factorization.

22025404145015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405080829008.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 22025404145015 its reverse (51054140452022), we get a palindrome (73079544597037).

The spelling of 22025404145015 in words is "twenty-two trillion, twenty-five billion, four hundred four million, one hundred forty-five thousand, fifteen".