22101542525 has 12 divisors (see below), whose sum is σ = 27418557600. Its totient is φ = 17673076080.

The previous prime is 22101542521. The next prime is 22101542527. The reversal of 22101542525 is 52524510122.

It is a happy number.

It is not a de Polignac number, because 22101542525 - 2² = 22101542521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101542521) 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, 148385 + ... + 257334.

It is an arithmetic number, because the mean of its divisors is an integer number (2284879800).

Almost surely, 2^22101542525 is an apocalyptic number.

22101542525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22101542525 is a deficient number, since it is larger than the sum of its proper divisors (5317015075).

22101542525 is a wasteful number, since it uses less digits than its factorization.

22101542525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407908 (or 407903 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 22101542525 in words is "twenty-two billion, one hundred one million, five hundred forty-two thousand, five hundred twenty-five".