22165045 has 8 divisors (see below), whose sum is σ = 30397824. Its totient is φ = 15198864.

The previous prime is 22165043. The next prime is 22165097. The reversal of 22165045 is 54056122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22165045 - 2¹ = 22165043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316609 + ... + 316678.

It is an arithmetic number, because the mean of its divisors is an integer number (3799728).

Almost surely, 2^22165045 is an apocalyptic number.

It is an amenable number.

22165045 is a deficient number, since it is larger than the sum of its proper divisors (8232779).

22165045 is an equidigital number, since it uses as much as digits as its factorization.

22165045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633299.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22165045 is about 4707.9767416588. The cubic root of 22165045 is about 280.9028889830.

The spelling of 22165045 in words is "twenty-two million, one hundred sixty-five thousand, forty-five".