22572273 has 8 divisors (see below), whose sum is σ = 30184000. Its totient is φ = 15004368.

The previous prime is 22572271. The next prime is 22572287. The reversal of 22572273 is 37227522.

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

It is not a de Polignac number, because 22572273 - 2¹ = 22572271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22572273.

It is not an unprimeable number, because it can be changed into a prime (22572271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9733 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (3773000).

Almost surely, 2^22572273 is an apocalyptic number.

It is an amenable number.

22572273 is a deficient number, since it is larger than the sum of its proper divisors (7611727).

22572273 is a wasteful number, since it uses less digits than its factorization.

22572273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21911.

The product of its digits is 11760, while the sum is 30.

The square root of 22572273 is about 4751.0286254663. The cubic root of 22572273 is about 282.6127589129.

Adding to 22572273 its reverse (37227522), we get a palindrome (59799795).

The spelling of 22572273 in words is "twenty-two million, five hundred seventy-two thousand, two hundred seventy-three".