40231522 has 8 divisors (see below), whose sum is σ = 60429276. Its totient is φ = 20088432.

The previous prime is 40231519. The next prime is 40231549. The reversal of 40231522 is 22513204.

It can be written as a sum of positive squares in 2 ways, for example, as 32936121 + 7295401 = 5739^2 + 2701^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 40231522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11773 + ... + 14800.

Almost surely, 2^40231522 is an apocalyptic number.

40231522 is a deficient number, since it is larger than the sum of its proper divisors (20197754).

40231522 is a wasteful number, since it uses less digits than its factorization.

40231522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27332.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40231522 is about 6342.8323326413. The cubic root of 40231522 is about 342.6537487918.

Adding to 40231522 its reverse (22513204), we get a palindrome (62744726).

The spelling of 40231522 in words is "forty million, two hundred thirty-one thousand, five hundred twenty-two".