40223601 has 16 divisors (see below), whose sum is σ = 65008320. Its totient is φ = 24377760.

The previous prime is 40223597. The next prime is 40223629. The reversal of 40223601 is 10632204.

It is a happy number.

40223601 is a `hidden beast` number, since 40 + 2 + 23 + 601 = 666.

40223601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40223601 - 2² = 40223597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40223641) 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, 67420 + ... + 68013.

It is an arithmetic number, because the mean of its divisors is an integer number (4063020).

Almost surely, 2^40223601 is an apocalyptic number.

It is an amenable number.

40223601 is a deficient number, since it is larger than the sum of its proper divisors (24784719).

40223601 is a wasteful number, since it uses less digits than its factorization.

40223601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135453 (or 135447 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40223601 is about 6342.2078963087. The cubic root of 40223601 is about 342.6312594736.

Adding to 40223601 its reverse (10632204), we get a palindrome (50855805).

The spelling of 40223601 in words is "forty million, two hundred twenty-three thousand, six hundred one".