42226141 has 2 divisors, whose sum is σ = 42226142. Its totient is φ = 42226140.

The previous prime is 42226099. The next prime is 42226169. The reversal of 42226141 is 14162224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 4218916 = 6165^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 42226141 - 2¹⁹ = 41701853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42226441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21113070 + 21113071.

It is an arithmetic number, because the mean of its divisors is an integer number (21113071).

Almost surely, 2^42226141 is an apocalyptic number.

It is an amenable number.

42226141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42226141 is an equidigital number, since it uses as much as digits as its factorization.

42226141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 42226141 is about 6498.1644331303. The cubic root of 42226141 is about 348.2254149077.

Adding to 42226141 its reverse (14162224), we get a palindrome (56388365).

The spelling of 42226141 in words is "forty-two million, two hundred twenty-six thousand, one hundred forty-one".