948221438 has 8 divisors (see below), whose sum is σ = 1422635400. Its totient is φ = 474009640.

The previous prime is 948221419. The next prime is 948221441. The reversal of 948221438 is 834122849.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 948221395 and 948221404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38213 + ... + 57936.

It is an arithmetic number, because the mean of its divisors is an integer number (177829425).

Almost surely, 2^948221438 is an apocalyptic number.

948221438 is a deficient number, since it is larger than the sum of its proper divisors (474413962).

948221438 is a wasteful number, since it uses less digits than its factorization.

948221438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101082.

The product of its digits is 110592, while the sum is 41.

The square root of 948221438 is about 30793.2044126622. The cubic root of 948221438 is about 982.4337116843.

The spelling of 948221438 in words is "nine hundred forty-eight million, two hundred twenty-one thousand, four hundred thirty-eight".