40022692 has 12 divisors (see below), whose sum is σ = 74159820. Its totient is φ = 18834176.

The previous prime is 40022659. The next prime is 40022693. The reversal of 40022692 is 29622004.

It can be written as a sum of positive squares in 2 ways, for example, as 35331136 + 4691556 = 5944^2 + 2166^2 .

It is not an unprimeable number, because it can be changed into a prime (40022693) 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 3 ways as a sum of consecutive naturals, for example, 294217 + ... + 294352.

It is an arithmetic number, because the mean of its divisors is an integer number (6179985).

Almost surely, 2^40022692 is an apocalyptic number.

It is an amenable number.

40022692 is a deficient number, since it is larger than the sum of its proper divisors (34137128).

40022692 is a wasteful number, since it uses less digits than its factorization.

40022692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588590 (or 588588 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40022692 is about 6326.3490260971. The cubic root of 40022692 is about 342.0598484002.

Adding to 40022692 its reverse (29622004), we get a palindrome (69644696).

The spelling of 40022692 in words is "forty million, twenty-two thousand, six hundred ninety-two".