40322299 has 2 divisors, whose sum is σ = 40322300. Its totient is φ = 40322298.

The previous prime is 40322297. The next prime is 40322309. The reversal of 40322299 is 99222304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40322299 - 2¹ = 40322297 is a prime.

Together with 40322297, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40322299.

It is not a weakly prime, because it can be changed into another prime (40322291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20161149 + 20161150.

It is an arithmetic number, because the mean of its divisors is an integer number (20161150).

Almost surely, 2^40322299 is an apocalyptic number.

40322299 is a deficient number, since it is larger than the sum of its proper divisors (1).

40322299 is an equidigital number, since it uses as much as digits as its factorization.

40322299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40322299 is about 6349.9841732086. The cubic root of 40322299 is about 342.9112725135.

The spelling of 40322299 in words is "forty million, three hundred twenty-two thousand, two hundred ninety-nine".