22455535 has 4 divisors (see below), whose sum is σ = 26946648. Its totient is φ = 17964424.

The previous prime is 22455529. The next prime is 22455547. The reversal of 22455535 is 53555422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53555422 = 2 ⋅26777711.

It is a cyclic number.

It is not a de Polignac number, because 22455535 - 2³ = 22455527 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22455497 and 22455506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245549 + ... + 2245558.

It is an arithmetic number, because the mean of its divisors is an integer number (6736662).

Almost surely, 2^22455535 is an apocalyptic number.

22455535 is a deficient number, since it is larger than the sum of its proper divisors (4491113).

22455535 is an equidigital number, since it uses as much as digits as its factorization.

22455535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491112.

The product of its digits is 30000, while the sum is 31.

The square root of 22455535 is about 4738.7271497734. The cubic root of 22455535 is about 282.1247163926.

The spelling of 22455535 in words is "twenty-two million, four hundred fifty-five thousand, five hundred thirty-five".