22740527 has 8 divisors (see below), whose sum is σ = 23792832. Its totient is φ = 21712000.

The previous prime is 22740521. The next prime is 22740541. The reversal of 22740527 is 72504722.

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 22740527 - 2⁶ = 22740463 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 22740527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22740521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (2974104).

Almost surely, 2^22740527 is an apocalyptic number.

22740527 is a deficient number, since it is larger than the sum of its proper divisors (1052305).

22740527 is a wasteful number, since it uses less digits than its factorization.

22740527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 22740527 is about 4768.7028634630. The cubic root of 22740527 is about 283.3132210253.

The spelling of 22740527 in words is "twenty-two million, seven hundred forty thousand, five hundred twenty-seven".