40222313 has 4 divisors (see below), whose sum is σ = 40249488. Its totient is φ = 40195140.

The previous prime is 40222253. The next prime is 40222319. The reversal of 40222313 is 31322204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40222313 - 2⁶ = 40222249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40222291 and 40222300.

It is not an unprimeable number, because it can be changed into a prime (40222319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11231 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (10062372).

Almost surely, 2^40222313 is an apocalyptic number.

It is an amenable number.

40222313 is a deficient number, since it is larger than the sum of its proper divisors (27175).

40222313 is a wasteful number, since it uses less digits than its factorization.

40222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27174.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40222313 is about 6342.1063535706. The cubic root of 40222313 is about 342.6276023025.

Adding to 40222313 its reverse (31322204), we get a palindrome (71544517).

The spelling of 40222313 in words is "forty million, two hundred twenty-two thousand, three hundred thirteen".