40022313 has 8 divisors (see below), whose sum is σ = 53486400. Its totient is φ = 26619888.

The previous prime is 40022309. The next prime is 40022329. The reversal of 40022313 is 31322004.

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

It is not a de Polignac number, because 40022313 - 2² = 40022309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40022292 and 40022301.

It is not an unprimeable number, because it can be changed into a prime (40022413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13878 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (6685800).

Almost surely, 2^40022313 is an apocalyptic number.

It is an amenable number.

40022313 is a deficient number, since it is larger than the sum of its proper divisors (13464087).

40022313 is a wasteful number, since it uses less digits than its factorization.

40022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30831.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40022313 is about 6326.3190719406. The cubic root of 40022313 is about 342.0587686703.

Adding to 40022313 its reverse (31322004), we get a palindrome (71344317).

The spelling of 40022313 in words is "forty million, twenty-two thousand, three hundred thirteen".