22538485 has 8 divisors (see below), whose sum is σ = 27228600. Its totient is φ = 17909184.

The previous prime is 22538473. The next prime is 22538491. The reversal of 22538485 is 58483522.

It can be written as a sum of positive squares in 4 ways, for example, as 3301489 + 19236996 = 1817^2 + 4386^2 .

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 22538485 - 2⁹ = 22537973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14382 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (3403575).

Almost surely, 2^22538485 is an apocalyptic number.

It is an amenable number.

22538485 is a deficient number, since it is larger than the sum of its proper divisors (4690115).

22538485 is a wasteful number, since it uses less digits than its factorization.

22538485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30407.

The product of its digits is 76800, while the sum is 37.

The square root of 22538485 is about 4747.4714322469. The cubic root of 22538485 is about 282.4716759657.

The spelling of 22538485 in words is "twenty-two million, five hundred thirty-eight thousand, four hundred eighty-five".