42100522 has 32 divisors (see below), whose sum is σ = 67173120. Its totient is φ = 19768320.

The previous prime is 42100519. The next prime is 42100543. The reversal of 42100522 is 22500124.

It is a junction number, because it is equal to n+sod(n) for n = 42100496 and 42100505.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 433978 + ... + 434074.

It is an arithmetic number, because the mean of its divisors is an integer number (2099160).

Almost surely, 2^42100522 is an apocalyptic number.

42100522 is a deficient number, since it is larger than the sum of its proper divisors (25072598).

42100522 is a wasteful number, since it uses less digits than its factorization.

42100522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42100522 is about 6488.4915041942. The cubic root of 42100522 is about 347.8797587408.

Adding to 42100522 its reverse (22500124), we get a palindrome (64600646).

The spelling of 42100522 in words is "forty-two million, one hundred thousand, five hundred twenty-two".