40022401 has 4 divisors (see below), whose sum is σ = 40411072. Its totient is φ = 39633732.

The previous prime is 40022377. The next prime is 40022413. The reversal of 40022401 is 10422004.

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 40022401 - 2¹⁷ = 39891329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40022441) 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, 194181 + ... + 194386.

It is an arithmetic number, because the mean of its divisors is an integer number (10102768).

Almost surely, 2^40022401 is an apocalyptic number.

It is an amenable number.

40022401 is a deficient number, since it is larger than the sum of its proper divisors (388671).

40022401 is a wasteful number, since it uses less digits than its factorization.

40022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388670.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40022401 is about 6326.3260270081. The cubic root of 40022401 is about 342.0590193733.

Adding to 40022401 its reverse (10422004), we get a palindrome (50444405).

It can be divided in two parts, 400 and 22401, that added together give a square (22801 = 151²).

The spelling of 40022401 in words is "forty million, twenty-two thousand, four hundred one".