22147045 has 8 divisors (see below), whose sum is σ = 27732096. Its totient is φ = 16947216.

The previous prime is 22147043. The next prime is 22147049. The reversal of 22147045 is 54074122.

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 22147045 - 2¹ = 22147043 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 (22147043) 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, 96177 + ... + 96406.

It is an arithmetic number, because the mean of its divisors is an integer number (3466512).

Almost surely, 2^22147045 is an apocalyptic number.

It is an amenable number.

22147045 is a deficient number, since it is larger than the sum of its proper divisors (5585051).

22147045 is a wasteful number, since it uses less digits than its factorization.

22147045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192611.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 22147045 is about 4706.0647041876. The cubic root of 22147045 is about 280.8268289625.

The spelling of 22147045 in words is "twenty-two million, one hundred forty-seven thousand, forty-five".