22074011525 has 12 divisors (see below), whose sum is σ = 28039379844. Its totient is φ = 17228496000.

The previous prime is 22074011459. The next prime is 22074011527. The reversal of 22074011525 is 52511047022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7365415684 + 14708595841 = 85822^2 + 121279^2 .

It is not a de Polignac number, because 22074011525 - 2²⁰ = 22072962949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074011527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10766786 + ... + 10768835.

It is an arithmetic number, because the mean of its divisors is an integer number (2336614987).

Almost surely, 2^22074011525 is an apocalyptic number.

22074011525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22074011525 is a deficient number, since it is larger than the sum of its proper divisors (5965368319).

22074011525 is a wasteful number, since it uses less digits than its factorization.

22074011525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21535672 (or 21535667 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

Adding to 22074011525 its reverse (52511047022), we get a palindrome (74585058547).

The spelling of 22074011525 in words is "twenty-two billion, seventy-four million, eleven thousand, five hundred twenty-five".