42223201 has 2 divisors, whose sum is σ = 42223202. Its totient is φ = 42223200.

The previous prime is 42223177. The next prime is 42223213. The reversal of 42223201 is 10232224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29691601 + 12531600 = 5449^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 42223201 - 2⁵ = 42223169 is a prime.

It is not a weakly prime, because it can be changed into another prime (42223231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111600 + 21111601.

It is an arithmetic number, because the mean of its divisors is an integer number (21111601).

Almost surely, 2^42223201 is an apocalyptic number.

It is an amenable number.

42223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42223201 is an equidigital number, since it uses as much as digits as its factorization.

42223201 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42223201 is about 6497.9382114637. The cubic root of 42223201 is about 348.2173329751.

Adding to 42223201 its reverse (10232224), we get a palindrome (52455425).

It can be divided in two parts, 42223 and 201, that added together give a palindrome (42424).

The spelling of 42223201 in words is "forty-two million, two hundred twenty-three thousand, two hundred one".