52228071 has 30 divisors (see below), whose sum is σ = 90764520. Its totient is φ = 29842344.

The previous prime is 52228061. The next prime is 52228103. The reversal of 52228071 is 17082225.

It is not a de Polignac number, because 52228071 - 2⁹ = 52227559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52228021) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2611 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (3025484).

Almost surely, 2^52228071 is an apocalyptic number.

52228071 is a deficient number, since it is larger than the sum of its proper divisors (38536449).

52228071 is a wasteful number, since it uses less digits than its factorization.

52228071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185 (or 13169 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 52228071 is about 7226.8991275650. The cubic root of 52228071 is about 373.7960105621.

The spelling of 52228071 in words is "fifty-two million, two hundred twenty-eight thousand, seventy-one".