22415465525 has 12 divisors (see below), whose sum is σ = 27838559364. Its totient is φ = 17904384000.

The previous prime is 22415465509. The next prime is 22415465539. The reversal of 22415465525 is 52556451422.

It can be written as a sum of positive squares in 6 ways, for example, as 166461604 + 22249003921 = 12902^2 + 149161^2 .

It is not a de Polignac number, because 22415465525 - 2⁴ = 22415465509 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 11 ways as a sum of consecutive naturals, for example, 683366 + ... + 715415.

It is an arithmetic number, because the mean of its divisors is an integer number (2319879947).

Almost surely, 2^22415465525 is an apocalyptic number.

22415465525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22415465525 is a deficient number, since it is larger than the sum of its proper divisors (5423093839).

22415465525 is a wasteful number, since it uses less digits than its factorization.

22415465525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399432 (or 1399427 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

The spelling of 22415465525 in words is "twenty-two billion, four hundred fifteen million, four hundred sixty-five thousand, five hundred twenty-five".