40100222 has 8 divisors (see below), whose sum is σ = 63316200. Its totient is φ = 18994824.

The previous prime is 40100219. The next prime is 40100227. The reversal of 40100222 is 22200104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527597 + ... + 527672.

It is an arithmetic number, because the mean of its divisors is an integer number (7914525).

Almost surely, 2^40100222 is an apocalyptic number.

40100222 is a deficient number, since it is larger than the sum of its proper divisors (23215978).

40100222 is a wasteful number, since it uses less digits than its factorization.

40100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055290.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40100222 is about 6332.4736083145. The cubic root of 40100222 is about 342.2805797967.

Adding to 40100222 its reverse (22200104), we get a palindrome (62300326).

The spelling of 40100222 in words is "forty million, one hundred thousand, two hundred twenty-two".