440225401 has 8 divisors (see below), whose sum is σ = 548852544. Its totient is φ = 343032720.

The previous prime is 440225393. The next prime is 440225407. The reversal of 440225401 is 104522044.

It is a happy number.

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 440225401 - 2³ = 440225393 is a prime.

It is a super-2 number, since 2×440225401² = 387596807371221602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440225407) 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, 2858530 + ... + 2858683.

It is an arithmetic number, because the mean of its divisors is an integer number (68606568).

Almost surely, 2^440225401 is an apocalyptic number.

It is an amenable number.

440225401 is a deficient number, since it is larger than the sum of its proper divisors (108627143).

440225401 is a wasteful number, since it uses less digits than its factorization.

440225401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717231.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 440225401 is about 20981.5490610203. The cubic root of 440225401 is about 760.7203471458.

Adding to 440225401 its reverse (104522044), we get a palindrome (544747445).

The spelling of 440225401 in words is "four hundred forty million, two hundred twenty-five thousand, four hundred one".