40223399 has 16 divisors (see below), whose sum is σ = 44666880. Its totient is φ = 36067680.

The previous prime is 40223371. The next prime is 40223413. The reversal of 40223399 is 99332204.

40223399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40223399 - 2⁸ = 40223143 is a prime.

It is a super-2 number, since 2×40223399² = 3235843654226402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223369) 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 15 ways as a sum of consecutive naturals, for example, 26957 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (2791680).

Almost surely, 2^40223399 is an apocalyptic number.

40223399 is a deficient number, since it is larger than the sum of its proper divisors (4443481).

40223399 is a wasteful number, since it uses less digits than its factorization.

40223399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 40223399 is about 6342.1919712352. The cubic root of 40223399 is about 342.6306859163.

The spelling of 40223399 in words is "forty million, two hundred twenty-three thousand, three hundred ninety-nine".