22106525 has 12 divisors (see below), whose sum is σ = 31328352. Its totient is φ = 15158640.

The previous prime is 22106507. The next prime is 22106527. The reversal of 22106525 is 52560122.

It is not a de Polignac number, because 22106525 - 2²² = 17912221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22106525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22106527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62987 + ... + 63336.

It is an arithmetic number, because the mean of its divisors is an integer number (2610696).

Almost surely, 2^22106525 is an apocalyptic number.

22106525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22106525 is a deficient number, since it is larger than the sum of its proper divisors (9221827).

22106525 is a wasteful number, since it uses less digits than its factorization.

22106525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126340 (or 126335 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22106525 is about 4701.7576500709. The cubic root of 22106525 is about 280.6554584724.

Adding to 22106525 its reverse (52560122), we get a palindrome (74666647).

The spelling of 22106525 in words is "twenty-two million, one hundred six thousand, five hundred twenty-five".