40222154 has 16 divisors (see below), whose sum is σ = 69355008. Its totient is φ = 17137392.

The previous prime is 40222141. The next prime is 40222163. The reversal of 40222154 is 45122204.

It is a happy 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, 5882 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (4334688).

Almost surely, 2^40222154 is an apocalyptic number.

40222154 is a deficient number, since it is larger than the sum of its proper divisors (29132854).

40222154 is a wasteful number, since it uses less digits than its factorization.

40222154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16789.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40222154 is about 6342.0938182906. The cubic root of 40222154 is about 342.6271508296.

Adding to 40222154 its reverse (45122204), we get a palindrome (85344358).

The spelling of 40222154 in words is "forty million, two hundred twenty-two thousand, one hundred fifty-four".