52229120 has 66 divisors (see below), whose sum is σ = 126541446. Its totient is φ = 20684800.

The previous prime is 52229071. The next prime is 52229123. The reversal of 52229120 is 2192225.

It can be written as a sum of positive squares in 3 ways, for example, as 32444416 + 19784704 = 5696^2 + 4448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52229123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517070 + ... + 517170.

Almost surely, 2^52229120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52229120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63270723).

52229120 is an abundant number, since it is smaller than the sum of its proper divisors (74312326).

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

52229120 is an equidigital number, since it uses as much as digits as its factorization.

52229120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 52229120 is about 7226.9717032793. The cubic root of 52229120 is about 373.7985131078.

Multiplying 52229120 by its product of nonzero digits (720), we get a square (37604966400 = 193920²).

The spelling of 52229120 in words is "fifty-two million, two hundred twenty-nine thousand, one hundred twenty".