42272248 has 8 divisors (see below), whose sum is σ = 79260480. Its totient is φ = 21136120.

The previous prime is 42272239. The next prime is 42272273. The reversal of 42272248 is 84227224.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642008 + ... + 2642023.

It is an arithmetic number, because the mean of its divisors is an integer number (9907560).

Almost surely, 2^42272248 is an apocalyptic number.

It is an amenable number.

42272248 is a deficient number, since it is larger than the sum of its proper divisors (36988232).

42272248 is a wasteful number, since it uses less digits than its factorization.

42272248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284037 (or 5284033 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 42272248 is about 6501.7111593795. The cubic root of 42272248 is about 348.3521120090.

The spelling of 42272248 in words is "forty-two million, two hundred seventy-two thousand, two hundred forty-eight".