40022112 has 48 divisors (see below), whose sum is σ = 113142960. Its totient is φ = 12314112.

The previous prime is 40022107. The next prime is 40022137. The reversal of 40022112 is 21122004.

It is a tau number, because it is divible by the number of its divisors (48).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14787 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (2357145).

Almost surely, 2^40022112 is an apocalyptic number.

It is an amenable number.

40022112 is an abundant number, since it is smaller than the sum of its proper divisors (73120848).

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

40022112 is a wasteful number, since it uses less digits than its factorization.

40022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095 (or 32087 counting only the distinct ones).

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

The square root of 40022112 is about 6326.3031859057. The cubic root of 40022112 is about 342.0581960403.

Adding to 40022112 its reverse (21122004), we get a palindrome (61144116).

The spelling of 40022112 in words is "forty million, twenty-two thousand, one hundred twelve".