53222271 has 16 divisors (see below), whose sum is σ = 72044544. Its totient is φ = 34945344.

The previous prime is 53222269. The next prime is 53222311. The reversal of 53222271 is 17222235.

It is a happy number.

It is not a de Polignac number, because 53222271 - 2¹ = 53222269 is a prime.

It is a super-2 number, since 2×53222271² = 5665220260794882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53222231) 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, 61675 + ... + 62531.

It is an arithmetic number, because the mean of its divisors is an integer number (4502784).

Almost surely, 2^53222271 is an apocalyptic number.

53222271 is a deficient number, since it is larger than the sum of its proper divisors (18822273).

53222271 is a wasteful number, since it uses less digits than its factorization.

53222271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its digits is 1680, while the sum is 24.

The square root of 53222271 is about 7295.3595524827. The cubic root of 53222271 is about 376.1529458318.

The spelling of 53222271 in words is "fifty-three million, two hundred twenty-two thousand, two hundred seventy-one".