40222184 has 8 divisors (see below), whose sum is σ = 75416610. Its totient is φ = 20111088.

The previous prime is 40222181. The next prime is 40222201. The reversal of 40222184 is 48122204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 10824100 = 5422^2 + 3290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (40222181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513879 + ... + 2513894.

Almost surely, 2^40222184 is an apocalyptic number.

It is an amenable number.

40222184 is a deficient number, since it is larger than the sum of its proper divisors (35194426).

40222184 is a wasteful number, since it uses less digits than its factorization.

40222184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027779 (or 5027775 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 40222184 is about 6342.0961834397. The cubic root of 40222184 is about 342.6272360133.

Adding to 40222184 its reverse (48122204), we get a palindrome (88344388).

The spelling of 40222184 in words is "forty million, two hundred twenty-two thousand, one hundred eighty-four".