52240322 has 4 divisors (see below), whose sum is σ = 78360486. Its totient is φ = 26120160.

The previous prime is 52240297. The next prime is 52240327. The reversal of 52240322 is 22304225.

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

It can be written as a sum of positive squares in only one way, i.e., 38925121 + 13315201 = 6239^2 + 3649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52240294 and 52240303.

It is not an unprimeable number, because it can be changed into a prime (52240327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13060079 + ... + 13060082.

Almost surely, 2^52240322 is an apocalyptic number.

52240322 is a deficient number, since it is larger than the sum of its proper divisors (26120164).

52240322 is a wasteful number, since it uses less digits than its factorization.

52240322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26120163.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 52240322 is about 7227.7466751402. The cubic root of 52240322 is about 373.8252350566.

Adding to 52240322 its reverse (22304225), we get a palindrome (74544547).

The spelling of 52240322 in words is "fifty-two million, two hundred forty thousand, three hundred twenty-two".