40223164 has 12 divisors (see below), whose sum is σ = 71888544. Its totient is φ = 19683584.

The previous prime is 40223153. The next prime is 40223233. The reversal of 40223164 is 46132204.

It is a happy number.

40223164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 106789 + ... + 107164.

It is an arithmetic number, because the mean of its divisors is an integer number (5990712).

Almost surely, 2^40223164 is an apocalyptic number.

It is an amenable number.

40223164 is a deficient number, since it is larger than the sum of its proper divisors (31665380).

40223164 is a wasteful number, since it uses less digits than its factorization.

40223164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214004 (or 214002 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40223164 is about 6342.1734444905. The cubic root of 40223164 is about 342.6300186565.

Adding to 40223164 its reverse (46132204), we get a palindrome (86355368).

The spelling of 40223164 in words is "forty million, two hundred twenty-three thousand, one hundred sixty-four".