501222348 has 144 divisors (see below), whose sum is σ = 1458003456. Its totient is φ = 143700480.

The previous prime is 501222329. The next prime is 501222349. The reversal of 501222348 is 843222105.

It is not an unprimeable number, because it can be changed into a prime (501222349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1028961 + ... + 1029447.

It is an arithmetic number, because the mean of its divisors is an integer number (10125024).

Almost surely, 2^501222348 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 501222348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729001728).

501222348 is an abundant number, since it is smaller than the sum of its proper divisors (956781108).

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

501222348 is a wasteful number, since it uses less digits than its factorization.

501222348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 501222348 is about 22387.9956226546. The cubic root of 501222348 is about 794.3467851345.

The spelling of 501222348 in words is "five hundred one million, two hundred twenty-two thousand, three hundred forty-eight".