42221348 has 24 divisors (see below), whose sum is σ = 80353728. Its totient is φ = 19295136.

The previous prime is 42221339. The next prime is 42221359. The reversal of 42221348 is 84312224.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 in 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (3348072).

Almost surely, 2^42221348 is an apocalyptic number.

It is an amenable number.

42221348 is a deficient number, since it is larger than the sum of its proper divisors (38132380).

42221348 is a wasteful number, since it uses less digits than its factorization.

42221348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003 (or 8001 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 42221348 is about 6497.7956262105. The cubic root of 42221348 is about 348.2122389656.

The spelling of 42221348 in words is "forty-two million, two hundred twenty-one thousand, three hundred forty-eight".