653222271 has 16 divisors (see below), whose sum is σ = 942068960. Its totient is φ = 400222080.

The previous prime is 653222239. The next prime is 653222281. The reversal of 653222271 is 172222356.

It is not a de Polignac number, because 653222271 - 2⁵ = 653222239 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 (653222281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27640 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (58879310).

Almost surely, 2^653222271 is an apocalyptic number.

653222271 is a deficient number, since it is larger than the sum of its proper divisors (288846689).

653222271 is a wasteful number, since it uses less digits than its factorization.

653222271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73386.

The product of its digits is 10080, while the sum is 30.

The square root of 653222271 is about 25558.2133765254. The cubic root of 653222271 is about 867.6681604208.

The spelling of 653222271 in words is "six hundred fifty-three million, two hundred twenty-two thousand, two hundred seventy-one".