42220110 has 16 divisors (see below), whose sum is σ = 101328336. Its totient is φ = 11258688.

The previous prime is 42220103. The next prime is 42220127. The reversal of 42220110 is 1102224.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 703639 + ... + 703698.

It is an arithmetic number, because the mean of its divisors is an integer number (6333021).

Almost surely, 2^42220110 is an apocalyptic number.

42220110 is an abundant number, since it is smaller than the sum of its proper divisors (59108226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42220110 is a wasteful number, since it uses less digits than its factorization.

42220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407347.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 42220110 is about 6497.7003624359. The cubic root of 42220110 is about 348.2088355454.

Adding to 42220110 its reverse (1102224), we get a palindrome (43322334).

The spelling of 42220110 in words is "forty-two million, two hundred twenty thousand, one hundred ten".