22535730 has 48 divisors (see below), whose sum is σ = 66965184. Its totient is φ = 5150880.

The previous prime is 22535717. The next prime is 22535731. The reversal of 22535730 is 3753522.

It is a junction number, because it is equal to n+sod(n) for n = 22535694 and 22535703.

It is not an unprimeable number, because it can be changed into a prime (22535731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17256 + ... + 18515.

It is an arithmetic number, because the mean of its divisors is an integer number (1395108).

Almost surely, 2^22535730 is an apocalyptic number.

22535730 is an abundant number, since it is smaller than the sum of its proper divisors (44429454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22535730 is a wasteful number, since it uses less digits than its factorization.

22535730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35791 (or 35788 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 22535730 is about 4747.1812689216. The cubic root of 22535730 is about 282.4601661537.

The spelling of 22535730 in words is "twenty-two million, five hundred thirty-five thousand, seven hundred thirty".