40240222 has 16 divisors (see below), whose sum is σ = 66326400. Its totient is φ = 18158040.

The previous prime is 40240181. The next prime is 40240223. The reversal of 40240222 is 22204204.

It is a junction number, because it is equal to n+sod(n) for n = 40240196 and 40240205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240223) by changing a digit.

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, 3522 + ... + 9637.

It is an arithmetic number, because the mean of its divisors is an integer number (4145400).

Almost surely, 2^40240222 is an apocalyptic number.

40240222 is a deficient number, since it is larger than the sum of its proper divisors (26086178).

40240222 is a wasteful number, since it uses less digits than its factorization.

40240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13311.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40240222 is about 6343.5181090622. The cubic root of 40240222 is about 342.6784464468.

Adding to 40240222 its reverse (22204204), we get a palindrome (62444426).

The spelling of 40240222 in words is "forty million, two hundred forty thousand, two hundred twenty-two".