40222323 has 24 divisors (see below), whose sum is σ = 61959456. Its totient is φ = 25056000.

The previous prime is 40222319. The next prime is 40222337. The reversal of 40222323 is 32322204.

It is not a de Polignac number, because 40222323 - 2² = 40222319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40222296 and 40222305.

It is not an unprimeable number, because it can be changed into a prime (40222123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22233 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (2581644).

Almost surely, 2^40222323 is an apocalyptic number.

40222323 is a deficient number, since it is larger than the sum of its proper divisors (21737133).

40222323 is a wasteful number, since it uses less digits than its factorization.

40222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40222323 is about 6342.1071419521. The cubic root of 40222323 is about 342.6276306970.

Adding to 40222323 its reverse (32322204), we get a palindrome (72544527).

The spelling of 40222323 in words is "forty million, two hundred twenty-two thousand, three hundred twenty-three".