42522002 has 16 divisors (see below), whose sum is σ = 66417624. Its totient is φ = 20400000.

The previous prime is 42522001. The next prime is 42522023. The reversal of 42522002 is 20022524.

It can be written as a sum of positive squares in 4 ways, for example, as 4932841 + 37589161 = 2221^2 + 6131^2 .

It is not an unprimeable number, because it can be changed into a prime (42522001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752 + ... + 9252.

Almost surely, 2^42522002 is an apocalyptic number.

42522002 is a deficient number, since it is larger than the sum of its proper divisors (23895622).

42522002 is a wasteful number, since it uses less digits than its factorization.

42522002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 42522002 is about 6520.8896632285. The cubic root of 42522002 is about 349.0368130011.

Adding to 42522002 its reverse (20022524), we get a palindrome (62544526).

The spelling of 42522002 in words is "forty-two million, five hundred twenty-two thousand, two".