4000422225 has 48 divisors (see below), whose sum is σ = 6863560704. Its totient is φ = 2054472000.

The previous prime is 4000422113. The next prime is 4000422227. The reversal of 4000422225 is 5222240004.

It is not a de Polignac number, because 4000422225 - 2¹⁷ = 4000291153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000422227) 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 47 ways as a sum of consecutive naturals, for example, 220240 + ... + 237710.

It is an arithmetic number, because the mean of its divisors is an integer number (142990848).

Almost surely, 2^4000422225 is an apocalyptic number.

It is an amenable number.

4000422225 is a deficient number, since it is larger than the sum of its proper divisors (2863138479).

4000422225 is a wasteful number, since it uses less digits than its factorization.

4000422225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17598 (or 17593 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4000422225 is about 63248.8910969987. The cubic root of 4000422225 is about 1587.4569033705.

Adding to 4000422225 its reverse (5222240004), we get a palindrome (9222662229).

The spelling of 4000422225 in words is "four billion, four hundred twenty-two thousand, two hundred twenty-five".