40234522 has 4 divisors (see below), whose sum is σ = 60351786. Its totient is φ = 20117260.

The previous prime is 40234511. The next prime is 40234543. The reversal of 40234522 is 22543204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 5294601 = 5911^2 + 2301^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40234493 and 40234502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058629 + ... + 10058632.

Almost surely, 2^40234522 is an apocalyptic number.

40234522 is a deficient number, since it is larger than the sum of its proper divisors (20117264).

40234522 is a wasteful number, since it uses less digits than its factorization.

40234522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117263.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40234522 is about 6343.0688156444. The cubic root of 40234522 is about 342.6622656267.

Adding to 40234522 its reverse (22543204), we get a palindrome (62777726).

The spelling of 40234522 in words is "forty million, two hundred thirty-four thousand, five hundred twenty-two".