40022859 has 4 divisors (see below), whose sum is σ = 53363816. Its totient is φ = 26681904.

The previous prime is 40022839. The next prime is 40022861. The reversal of 40022859 is 95822004.

40022859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40022859 - 2⁹ = 40022347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40022819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6670474 + ... + 6670479.

It is an arithmetic number, because the mean of its divisors is an integer number (13340954).

Almost surely, 2^40022859 is an apocalyptic number.

40022859 is a deficient number, since it is larger than the sum of its proper divisors (13340957).

40022859 is a wasteful number, since it uses less digits than its factorization.

40022859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340956.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40022859 is about 6326.3622248493. The cubic root of 40022859 is about 342.0603241629.

The spelling of 40022859 in words is "forty million, twenty-two thousand, eight hundred fifty-nine".