22057527 has 8 divisors (see below), whose sum is σ = 29586816. Its totient is φ = 14616632.

The previous prime is 22057507. The next prime is 22057531. The reversal of 22057527 is 72575022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22057527 - 2¹⁸ = 21795383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22057494 and 22057503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21513 + ... + 22514.

It is an arithmetic number, because the mean of its divisors is an integer number (3698352).

Almost surely, 2^22057527 is an apocalyptic number.

22057527 is a deficient number, since it is larger than the sum of its proper divisors (7529289).

22057527 is a wasteful number, since it uses less digits than its factorization.

22057527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44197.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 22057527 is about 4696.5441550144. The cubic root of 22057527 is about 280.4479521885.

The spelling of 22057527 in words is "twenty-two million, fifty-seven thousand, five hundred twenty-seven".