52422101 has 4 divisors (see below), whose sum is σ = 55505772. Its totient is φ = 49338432.

The previous prime is 52422059. The next prime is 52422107. The reversal of 52422101 is 10122425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43428100 + 8994001 = 6590^2 + 2999^2 .

It is a cyclic number.

It is not a de Polignac number, because 52422101 - 2²² = 48227797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 3083653 = 52422101 / (5 + 2 + 4 + 2 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52422101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52422107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541810 + ... + 1541843.

It is an arithmetic number, because the mean of its divisors is an integer number (13876443).

Almost surely, 2^52422101 is an apocalyptic number.

It is an amenable number.

52422101 is a deficient number, since it is larger than the sum of its proper divisors (3083671).

52422101 is a wasteful number, since it uses less digits than its factorization.

52422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083670.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 52422101 is about 7240.3108358689. The cubic root of 52422101 is about 374.2583290613.

Adding to 52422101 its reverse (10122425), we get a palindrome (62544526).

The spelling of 52422101 in words is "fifty-two million, four hundred twenty-two thousand, one hundred one".