42221003 has 8 divisors (see below), whose sum is σ = 46163520. Its totient is φ = 38295880.

The previous prime is 42220963. The next prime is 42221027. The reversal of 42221003 is 30012224.

42221003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42221003 - 2¹⁰ = 42219979 is a prime.

It is a super-2 number, since 2×42221003² = 3565226188652018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42221063) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 9246.

It is an arithmetic number, because the mean of its divisors is an integer number (5770440).

Almost surely, 2^42221003 is an apocalyptic number.

42221003 is a deficient number, since it is larger than the sum of its proper divisors (3942517).

42221003 is a wasteful number, since it uses less digits than its factorization.

42221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42221003 is about 6497.7690786915. The cubic root of 42221003 is about 348.2112905232.

Adding to 42221003 its reverse (30012224), we get a palindrome (72233227).

It can be divided in two parts, 4222 and 1003, that added together give a palindrome (5225).

The spelling of 42221003 in words is "forty-two million, two hundred twenty-one thousand, three".