40022343 has 12 divisors (see below), whose sum is σ = 59951528. Its totient is φ = 26681400.

The previous prime is 40022329. The next prime is 40022347. The reversal of 40022343 is 34322004.

40022343 is a `hidden beast` number, since 400 + 223 + 43 = 666.

It is not a de Polignac number, because 40022343 - 2¹² = 40018247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82108 + ... + 82593.

Almost surely, 2^40022343 is an apocalyptic number.

40022343 is a deficient number, since it is larger than the sum of its proper divisors (19929185).

40022343 is an equidigital number, since it uses as much as digits as its factorization.

40022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164716 (or 164704 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40022343 is about 6326.3214429872. The cubic root of 40022343 is about 342.0588541372.

Adding to 40022343 its reverse (34322004), we get a palindrome (74344347).

The spelling of 40022343 in words is "forty million, twenty-two thousand, three hundred forty-three".