22176045 has 16 divisors (see below), whose sum is σ = 39424320. Its totient is φ = 11827152.

The previous prime is 22176029. The next prime is 22176047. The reversal of 22176045 is 54067122.

It is not a de Polignac number, because 22176045 - 2⁴ = 22176029 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22176047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81999 + ... + 82268.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 2^22176045 is an apocalyptic number.

It is an amenable number.

22176045 is a deficient number, since it is larger than the sum of its proper divisors (17248275).

22176045 is a wasteful number, since it uses less digits than its factorization.

22176045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164281 (or 164275 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 22176045 is about 4709.1448268237. The cubic root of 22176045 is about 280.9493498371.

The spelling of 22176045 in words is "twenty-two million, one hundred seventy-six thousand, forty-five".