52226664 has 64 divisors (see below), whose sum is σ = 149869440. Its totient is φ = 14856960.

The previous prime is 52226653. The next prime is 52226683. The reversal of 52226664 is 46662225.

52226664 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 15 ways as a sum of consecutive naturals, for example, 48694 + ... + 49754.

It is an arithmetic number, because the mean of its divisors is an integer number (2341710).

Almost surely, 2^52226664 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 52226664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74934720).

52226664 is an abundant number, since it is smaller than the sum of its proper divisors (97642776).

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

52226664 is a wasteful number, since it uses less digits than its factorization.

52226664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1366 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 52226664 is about 7226.8017822547. The cubic root of 52226664 is about 373.7926539016.

Adding to 52226664 its reverse (46662225), we get a palindrome (98888889).

The spelling of 52226664 in words is "fifty-two million, two hundred twenty-six thousand, six hundred sixty-four".