40225523 has 8 divisors (see below), whose sum is σ = 44814000. Its totient is φ = 35850528.

The previous prime is 40225487. The next prime is 40225583. The reversal of 40225523 is 32552204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40225523 - 2²⁰ = 39176947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40225583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52973 + ... + 53726.

It is an arithmetic number, because the mean of its divisors is an integer number (5601750).

Almost surely, 2^40225523 is an apocalyptic number.

40225523 is a deficient number, since it is larger than the sum of its proper divisors (4588477).

40225523 is a wasteful number, since it uses less digits than its factorization.

40225523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106741.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40225523 is about 6342.3594190175. The cubic root of 40225523 is about 342.6367166909.

Adding to 40225523 its reverse (32552204), we get a palindrome (72777727).

The spelling of 40225523 in words is "forty million, two hundred twenty-five thousand, five hundred twenty-three".