22545893 has 8 divisors (see below), whose sum is σ = 23920920. Its totient is φ = 21176320.

The previous prime is 22545883. The next prime is 22545907. The reversal of 22545893 is 39854522.

It can be written as a sum of positive squares in 4 ways, for example, as 6880129 + 15665764 = 2623^2 + 3958^2 .

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 22545893 - 2¹⁰ = 22544869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545823) 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, 9863 + ... + 11931.

It is an arithmetic number, because the mean of its divisors is an integer number (2990115).

Almost surely, 2^22545893 is an apocalyptic number.

It is an amenable number.

22545893 is a deficient number, since it is larger than the sum of its proper divisors (1375027).

22545893 is a wasteful number, since it uses less digits than its factorization.

22545893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727.

The product of its digits is 86400, while the sum is 38.

The square root of 22545893 is about 4748.2515729477. The cubic root of 22545893 is about 282.5026203845.

It can be divided in two parts, 22545 and 893, that multiplied together give a triangular number (20132685 = T₆₃₄₅).

The spelling of 22545893 in words is "twenty-two million, five hundred forty-five thousand, eight hundred ninety-three".