42221203 has 2 divisors, whose sum is σ = 42221204. Its totient is φ = 42221202.

The previous prime is 42221197. The next prime is 42221209. The reversal of 42221203 is 30212224.

It is a balanced prime because it is at equal distance from previous prime (42221197) and next prime (42221209).

It is a cyclic number.

It is not a de Polignac number, because 42221203 - 2⁹ = 42220691 is a prime.

It is not a weakly prime, because it can be changed into another prime (42221209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110601 + 21110602.

It is an arithmetic number, because the mean of its divisors is an integer number (21110602).

Almost surely, 2^42221203 is an apocalyptic number.

42221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221203 is an equidigital number, since it uses as much as digits as its factorization.

42221203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42221203 is about 6497.7844685708. The cubic root of 42221203 is about 348.2118403455.

Adding to 42221203 its reverse (30212224), we get a palindrome (72433427).

It can be divided in two parts, 42221 and 203, that added together give a palindrome (42424).

The spelling of 42221203 in words is "forty-two million, two hundred twenty-one thousand, two hundred three".