42220151 has 2 divisors, whose sum is σ = 42220152. Its totient is φ = 42220150.

The previous prime is 42220127. The next prime is 42220159. The reversal of 42220151 is 15102224.

42220151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42220151 - 2¹⁴ = 42203767 is a prime.

It is a Sophie Germain 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 (42220159) 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 as a sum of consecutive naturals, namely, 21110075 + 21110076.

It is an arithmetic number, because the mean of its divisors is an integer number (21110076).

Almost surely, 2^42220151 is an apocalyptic number.

42220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42220151 is an equidigital number, since it uses as much as digits as its factorization.

42220151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42220151 is about 6497.7035173975. The cubic root of 42220151 is about 348.2089482607.

Adding to 42220151 its reverse (15102224), we get a palindrome (57322375).

The spelling of 42220151 in words is "forty-two million, two hundred twenty thousand, one hundred fifty-one".