52226220 has 24 divisors (see below), whose sum is σ = 146233584. Its totient is φ = 13926976.

The previous prime is 52226201. The next prime is 52226233. The reversal of 52226220 is 2262225.

52226220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435159 + ... + 435278.

It is an arithmetic number, because the mean of its divisors is an integer number (6093066).

Almost surely, 2^52226220 is an apocalyptic number.

It is an amenable number.

52226220 is an abundant number, since it is smaller than the sum of its proper divisors (94007364).

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

52226220 is a wasteful number, since it uses less digits than its factorization.

52226220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870449 (or 870447 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52226220 is about 7226.7710632066. The cubic root of 52226220 is about 373.7915946444.

Adding to 52226220 its reverse (2262225), we get a palindrome (54488445).

The spelling of 52226220 in words is "fifty-two million, two hundred twenty-six thousand, two hundred twenty".