40222423 has 8 divisors (see below), whose sum is σ = 42564096. Its totient is φ = 37930200.

The previous prime is 40222421. The next prime is 40222433. The reversal of 40222423 is 32422204.

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 40222423 - 2¹ = 40222421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40222423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10683 + ... + 13948.

It is an arithmetic number, because the mean of its divisors is an integer number (5320512).

Almost surely, 2^40222423 is an apocalyptic number.

40222423 is a deficient number, since it is larger than the sum of its proper divisors (2341673).

40222423 is a wasteful number, since it uses less digits than its factorization.

40222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24725.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40222423 is about 6342.1150257623. The cubic root of 40222423 is about 342.6279146416.

Adding to 40222423 its reverse (32422204), we get a palindrome (72644627).

The spelling of 40222423 in words is "forty million, two hundred twenty-two thousand, four hundred twenty-three".