22505225415 has 16 divisors (see below), whose sum is σ = 36189312000. Its totient is φ = 11942469792.

The previous prime is 22505225371. The next prime is 22505225423. The reversal of 22505225415 is 51452250522.

It is a happy number.

It is not a de Polignac number, because 22505225415 - 2⁸ = 22505225159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3766735 + ... + 3772704.

It is an arithmetic number, because the mean of its divisors is an integer number (2261832000).

Almost surely, 2^22505225415 is an apocalyptic number.

22505225415 is a deficient number, since it is larger than the sum of its proper divisors (13684086585).

22505225415 is a wasteful number, since it uses less digits than its factorization.

22505225415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539646.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 22505225415 its reverse (51452250522), we get a palindrome (73957475937).

The spelling of 22505225415 in words is "twenty-two billion, five hundred five million, two hundred twenty-five thousand, four hundred fifteen".