506222648 has 8 divisors (see below), whose sum is σ = 949167480. Its totient is φ = 253111320.

The previous prime is 506222627. The next prime is 506222693. The reversal of 506222648 is 846222605.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×506222648² = 512522738696263808, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 31638908 + ... + 31638923.

It is an arithmetic number, because the mean of its divisors is an integer number (118645935).

Almost surely, 2^506222648 is an apocalyptic number.

It is an amenable number.

506222648 is a deficient number, since it is larger than the sum of its proper divisors (442944832).

506222648 is a wasteful number, since it uses less digits than its factorization.

506222648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63277837 (or 63277833 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 506222648 is about 22499.3921695676. The cubic root of 506222648 is about 796.9795731286.

The spelling of 506222648 in words is "five hundred six million, two hundred twenty-two thousand, six hundred forty-eight".