40444222 has 32 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 15929568.

The previous prime is 40444213. The next prime is 40444237. The reversal of 40444222 is 22244404.

It is a junction number, because it is equal to n+sod(n) for n = 40444193 and 40444202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65029 + ... + 65647.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^40444222 is an apocalyptic number.

40444222 is a deficient number, since it is larger than the sum of its proper divisors (34550978).

40444222 is a wasteful number, since it uses less digits than its factorization.

40444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 40444222 is about 6359.5771872036. The cubic root of 40444222 is about 343.2565463325.

Adding to 40444222 its reverse (22244404), we get a palindrome (62688626).

The spelling of 40444222 in words is "forty million, four hundred forty-four thousand, two hundred twenty-two".