400225322 has 16 divisors (see below), whose sum is σ = 726459840. Its totient is φ = 161435328.

The previous prime is 400225303. The next prime is 400225363. The reversal of 400225322 is 223522004.

It is a junction number, because it is equal to n+sod(n) for n = 400225294 and 400225303.

It is an unprimeable number.

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, 840572 + ... + 841047.

It is an arithmetic number, because the mean of its divisors is an integer number (45403740).

Almost surely, 2^400225322 is an apocalyptic number.

400225322 is a deficient number, since it is larger than the sum of its proper divisors (326234518).

400225322 is a wasteful number, since it uses less digits than its factorization.

400225322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681645.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 400225322 is about 20005.6322569420. The cubic root of 400225322 is about 736.9446226496.

Adding to 400225322 its reverse (223522004), we get a palindrome (623747326).

The spelling of 400225322 in words is "four hundred million, two hundred twenty-five thousand, three hundred twenty-two".