22165434 has 32 divisors (see below), whose sum is σ = 50849280. Its totient is φ = 7149600.

The previous prime is 22165411. The next prime is 22165439. The reversal of 22165434 is 43456122.

22165434 is a `hidden beast` number, since 2 + 2 + 1 + 654 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22165398 and 22165407.

It is not an unprimeable number, because it can be changed into a prime (22165439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4947 + ... + 8294.

It is an arithmetic number, because the mean of its divisors is an integer number (1589040).

Almost surely, 2^22165434 is an apocalyptic number.

22165434 is an abundant number, since it is smaller than the sum of its proper divisors (28683846).

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

22165434 is a wasteful number, since it uses less digits than its factorization.

22165434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283 (or 13277 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22165434 is about 4708.0180543409. The cubic root of 22165434 is about 280.9045322699.

The spelling of 22165434 in words is "twenty-two million, one hundred sixty-five thousand, four hundred thirty-four".