40022242 has 12 divisors (see below), whose sum is σ = 65007090. Its totient is φ = 18471648.

The previous prime is 40022219. The next prime is 40022251. The reversal of 40022242 is 24222004.

It can be written as a sum of positive squares in 3 ways, for example, as 29257281 + 10764961 = 5409^2 + 3281^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 58867 + ... + 59542.

Almost surely, 2^40022242 is an apocalyptic number.

40022242 is a deficient number, since it is larger than the sum of its proper divisors (24984848).

40022242 is a wasteful number, since it uses less digits than its factorization.

40022242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118437 (or 118424 counting only the distinct ones).

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

The square root of 40022242 is about 6326.3134604602. The cubic root of 40022242 is about 342.0585663982.

Adding to 40022242 its reverse (24222004), we get a palindrome (64244246).

The spelling of 40022242 in words is "forty million, twenty-two thousand, two hundred forty-two".