52226340 has 48 divisors (see below), whose sum is σ = 147547008. Its totient is φ = 13801984.

The previous prime is 52226327. The next prime is 52226401. The reversal of 52226340 is 4362225.

It is a self number, because there is not a number n which added to its sum of digits gives 52226340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (3073896).

Almost surely, 2^52226340 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 52226340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73773504).

52226340 is an abundant number, since it is smaller than the sum of its proper divisors (95320668).

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

52226340 is a wasteful number, since it uses less digits than its factorization.

52226340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828 (or 7826 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 52226340 is about 7226.7793656649. The cubic root of 52226340 is about 373.7918809308.

Adding to 52226340 its reverse (4362225), we get a palindrome (56588565).

It can be divided in two parts, 522 and 26340, that added together give a palindrome (26862).

The spelling of 52226340 in words is "fifty-two million, two hundred twenty-six thousand, three hundred forty".