22535806 has 4 divisors (see below), whose sum is σ = 33803712. Its totient is φ = 11267902.

The previous prime is 22535801. The next prime is 22535809. The reversal of 22535806 is 60853522.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (22535801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5633950 + ... + 5633953.

It is an arithmetic number, because the mean of its divisors is an integer number (8450928).

Almost surely, 2^22535806 is an apocalyptic number.

22535806 is a deficient number, since it is larger than the sum of its proper divisors (11267906).

22535806 is a wasteful number, since it uses less digits than its factorization.

22535806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267905.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22535806 is about 4747.1892736650. The cubic root of 22535806 is about 282.4604836783.

The spelling of 22535806 in words is "twenty-two million, five hundred thirty-five thousand, eight hundred six".