2224001405 has 4 divisors (see below), whose sum is σ = 2668801692. Its totient is φ = 1779201120.

The previous prime is 2224001389. The next prime is 2224001407. The reversal of 2224001405 is 5041004222.

It is a happy number.

2224001405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1734972409 + 489028996 = 41653^2 + 22114^2 .

It is not a de Polignac number, because 2224001405 - 2⁴ = 2224001389 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 (2224001407) 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, 222400136 + ... + 222400145.

It is an arithmetic number, because the mean of its divisors is an integer number (667200423).

Almost surely, 2^2224001405 is an apocalyptic number.

It is an amenable number.

2224001405 is a deficient number, since it is larger than the sum of its proper divisors (444800287).

2224001405 is an equidigital number, since it uses as much as digits as its factorization.

2224001405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444800286.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2224001405 is about 47159.3193865221. The cubic root of 2224001405 is about 1305.3040507416.

Adding to 2224001405 its reverse (5041004222), we get a palindrome (7265005627).

The spelling of 2224001405 in words is "two billion, two hundred twenty-four million, one thousand, four hundred five".