22543485 has 16 divisors (see below), whose sum is σ = 36131136. Its totient is φ = 12002688.

The previous prime is 22543463. The next prime is 22543501. The reversal of 22543485 is 58434522.

It is not a de Polignac number, because 22543485 - 2⁵ = 22543453 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 15 ways as a sum of consecutive naturals, for example, 12777 + ... + 14433.

It is an arithmetic number, because the mean of its divisors is an integer number (2258196).

Almost surely, 2^22543485 is an apocalyptic number.

It is an amenable number.

22543485 is a deficient number, since it is larger than the sum of its proper divisors (13587651).

22543485 is a wasteful number, since it uses less digits than its factorization.

22543485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its digits is 38400, while the sum is 33.

The square root of 22543485 is about 4747.9979991571. The cubic root of 22543485 is about 282.4925625212.

The spelling of 22543485 in words is "twenty-two million, five hundred forty-three thousand, four hundred eighty-five".