52224022 has 4 divisors (see below), whose sum is σ = 78336036. Its totient is φ = 26112010.

The previous prime is 52224019. The next prime is 52224023. The reversal of 52224022 is 22042225.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13056004 + ... + 13056007.

It is an arithmetic number, because the mean of its divisors is an integer number (19584009).

Almost surely, 2^52224022 is an apocalyptic number.

52224022 is a deficient number, since it is larger than the sum of its proper divisors (26112014).

52224022 is a wasteful number, since it uses less digits than its factorization.

52224022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26112013.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 52224022 is about 7226.6189881576. The cubic root of 52224022 is about 373.7863507558.

Adding to 52224022 its reverse (22042225), we get a palindrome (74266247).

The spelling of 52224022 in words is "fifty-two million, two hundred twenty-four thousand, twenty-two".