22148525 has 24 divisors (see below), whose sum is σ = 31872960. Its totient is φ = 14952960.

The previous prime is 22148479. The next prime is 22148543. The reversal of 22148525 is 52584122.

It is not a de Polignac number, because 22148525 - 2¹⁰ = 22147501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10781 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (1328040).

Almost surely, 2^22148525 is an apocalyptic number.

22148525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22148525 is a deficient number, since it is larger than the sum of its proper divisors (9724435).

22148525 is a wasteful number, since it uses less digits than its factorization.

22148525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1968 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 22148525 is about 4706.2219454675. The cubic root of 22148525 is about 280.8330843411.

The spelling of 22148525 in words is "twenty-two million, one hundred forty-eight thousand, five hundred twenty-five".