52222464 has 120 divisors (see below), whose sum is σ = 172355040. Its totient is φ = 14911488.

The previous prime is 52222463. The next prime is 52222483. The reversal of 52222464 is 46422225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52222463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31447 + ... + 33065.

It is an arithmetic number, because the mean of its divisors is an integer number (1436292).

Almost surely, 2^52222464 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 52222464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86177520).

52222464 is an abundant number, since it is smaller than the sum of its proper divisors (120132576).

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

52222464 is a wasteful number, since it uses less digits than its factorization.

52222464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1631 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 52222464 is about 7226.5111914395. The cubic root of 52222464 is about 373.7826336609.

Adding to 52222464 its reverse (46422225), we get a palindrome (98644689).

The spelling of 52222464 in words is "fifty-two million, two hundred twenty-two thousand, four hundred sixty-four".