40517222 has 12 divisors (see below), whose sum is σ = 64562100. Its totient is φ = 19066656.

The previous prime is 40517221. The next prime is 40517231. The reversal of 40517222 is 22271504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40517221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34472 + ... + 35627.

It is an arithmetic number, because the mean of its divisors is an integer number (5380175).

Almost surely, 2^40517222 is an apocalyptic number.

40517222 is a deficient number, since it is larger than the sum of its proper divisors (24044878).

40517222 is a wasteful number, since it uses less digits than its factorization.

40517222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70135 (or 70118 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40517222 is about 6365.3139749741. The cubic root of 40517222 is about 343.4629430745.

Adding to 40517222 its reverse (22271504), we get a palindrome (62788726).

The spelling of 40517222 in words is "forty million, five hundred seventeen thousand, two hundred twenty-two".