52021422 has 12 divisors (see below), whose sum is σ = 112713120. Its totient is φ = 17340468.

The previous prime is 52021399. The next prime is 52021451. The reversal of 52021422 is 22412025.

52021422 is a `hidden beast` number, since 520 + 2 + 142 + 2 = 666.

52021422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×52021422³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2890079 = 52021422 / (5 + 2 + 0 + 2 + 1 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 52021395 and 52021404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1445022 + ... + 1445057.

It is an arithmetic number, because the mean of its divisors is an integer number (9392760).

Almost surely, 2^52021422 is an apocalyptic number.

52021422 is an abundant number, since it is smaller than the sum of its proper divisors (60691698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52021422 is a wasteful number, since it uses less digits than its factorization.

52021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890087 (or 2890084 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52021422 is about 7212.5877464333. The cubic root of 52021422 is about 373.3023636796.

Adding to 52021422 its reverse (22412025), we get a palindrome (74433447).

The spelling of 52021422 in words is "fifty-two million, twenty-one thousand, four hundred twenty-two".