40022351 has 8 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 39405592.

The previous prime is 40022347. The next prime is 40022357. The reversal of 40022351 is 15322004.

40022351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40022351 - 2² = 40022347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31160 + ... + 32418.

It is an arithmetic number, because the mean of its divisors is an integer number (5080320).

Almost surely, 2^40022351 is an apocalyptic number.

40022351 is a deficient number, since it is larger than the sum of its proper divisors (620209).

40022351 is a wasteful number, since it uses less digits than its factorization.

40022351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40022351 is about 6326.3220752662. The cubic root of 40022351 is about 342.0588769284.

Adding to 40022351 its reverse (15322004), we get a palindrome (55344355).

The spelling of 40022351 in words is "forty million, twenty-two thousand, three hundred fifty-one".