22755538 has 8 divisors (see below), whose sum is σ = 36758988. Its totient is φ = 10502544.

The previous prime is 22755527. The next prime is 22755541. The reversal of 22755538 is 83555722.

It can be written as a sum of positive squares in 2 ways, for example, as 22212369 + 543169 = 4713^2 + 737^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22755497 and 22755506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437581 + ... + 437632.

Almost surely, 2^22755538 is an apocalyptic number.

22755538 is a deficient number, since it is larger than the sum of its proper divisors (14003450).

22755538 is a wasteful number, since it uses less digits than its factorization.

22755538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875228.

The product of its digits is 84000, while the sum is 37.

The square root of 22755538 is about 4770.2765119016. The cubic root of 22755538 is about 283.3755455754.

The spelling of 22755538 in words is "twenty-two million, seven hundred fifty-five thousand, five hundred thirty-eight".