40220112 has 40 divisors (see below), whose sum is σ = 109372960. Its totient is φ = 12700800.

The previous prime is 40220107. The next prime is 40220137. The reversal of 40220112 is 21102204.

40220112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21139 + ... + 22962.

It is an arithmetic number, because the mean of its divisors is an integer number (2734324).

Almost surely, 2^40220112 is an apocalyptic number.

It is an amenable number.

40220112 is an abundant number, since it is smaller than the sum of its proper divisors (69152848).

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

40220112 is a wasteful number, since it uses less digits than its factorization.

40220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44131 (or 44125 counting only the distinct ones).

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

The square root of 40220112 is about 6341.9328284049. The cubic root of 40220112 is about 342.6213525616.

Adding to 40220112 its reverse (21102204), we get a palindrome (61322316).

The spelling of 40220112 in words is "forty million, two hundred twenty thousand, one hundred twelve".