22245505301525 has 48 divisors (see below), whose sum is σ = 31411454859648. Its totient is φ = 15469712544000.

The previous prime is 22245505301449. The next prime is 22245505301549. The reversal of 22245505301525 is 52510350554222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22245505301525 is a prime.

It is a super-2 number, since 2×22245505301525² (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 17481167 + ... + 18710483.

It is an arithmetic number, because the mean of its divisors is an integer number (654405309576).

Almost surely, 2^{22245505301525} is an apocalyptic number.

22245505301525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22245505301525 is a deficient number, since it is larger than the sum of its proper divisors (9165949558123).

22245505301525 is a wasteful number, since it uses less digits than its factorization.

22245505301525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232222 (or 1232217 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 22245505301525 its reverse (52510350554222), we get a palindrome (74755855855747).

The spelling of 22245505301525 in words is "twenty-two trillion, two hundred forty-five billion, five hundred five million, three hundred one thousand, five hundred twenty-five".