22147073 has 8 divisors (see below), whose sum is σ = 25253928. Its totient is φ = 19240704.

The previous prime is 22147067. The next prime is 22147079. The reversal of 22147073 is 37074122.

It is an interprime number because it is at equal distance from previous prime (22147067) and next prime (22147079).

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 22061809 = 292^2 + 4697^2 .

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 22147073 - 2¹² = 22142977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22147079) 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, 49886 + ... + 50327.

It is an arithmetic number, because the mean of its divisors is an integer number (3156741).

Almost surely, 2^22147073 is an apocalyptic number.

It is an amenable number.

22147073 is a deficient number, since it is larger than the sum of its proper divisors (3106855).

22147073 is a wasteful number, since it uses less digits than its factorization.

22147073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100243.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 22147073 is about 4706.0676790713. The cubic root of 22147073 is about 280.8269473101.

The spelling of 22147073 in words is "twenty-two million, one hundred forty-seven thousand, seventy-three".