52226191 has 4 divisors (see below), whose sum is σ = 52743384. Its totient is φ = 51709000.

The previous prime is 52226183. The next prime is 52226201. The reversal of 52226191 is 19162225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52226191 - 2³ = 52226183 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 (52226101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258445 + ... + 258646.

It is an arithmetic number, because the mean of its divisors is an integer number (13185846).

Almost surely, 2^52226191 is an apocalyptic number.

52226191 is a deficient number, since it is larger than the sum of its proper divisors (517193).

52226191 is a wasteful number, since it uses less digits than its factorization.

52226191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517192.

The product of its digits is 2160, while the sum is 28.

The square root of 52226191 is about 7226.7690567777. The cubic root of 52226191 is about 373.7915254585.

The spelling of 52226191 in words is "fifty-two million, two hundred twenty-six thousand, one hundred ninety-one".