52022420 has 24 divisors (see below), whose sum is σ = 111573504. Its totient is φ = 20365856.

The previous prime is 52022401. The next prime is 52022423. The reversal of 52022420 is 2422025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52022423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26732 + ... + 28611.

It is an arithmetic number, because the mean of its divisors is an integer number (4648896).

Almost surely, 2^52022420 is an apocalyptic number.

It is an amenable number.

52022420 is an abundant number, since it is smaller than the sum of its proper divisors (59551084).

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

52022420 is a wasteful number, since it uses less digits than its factorization.

52022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55399 (or 55397 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 52022420 is about 7212.6569307018. The cubic root of 52022420 is about 373.3047508588.

Adding to 52022420 its reverse (2422025), we get a palindrome (54444445).

The spelling of 52022420 in words is "fifty-two million, twenty-two thousand, four hundred twenty".