400225366 has 16 divisors (see below), whose sum is σ = 613000224. Its totient is φ = 195908544.

The previous prime is 400225363. The next prime is 400225391. The reversal of 400225366 is 663522004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400225363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47746 + ... + 55498.

It is an arithmetic number, because the mean of its divisors is an integer number (38312514).

Almost surely, 2^400225366 is an apocalyptic number.

400225366 is a deficient number, since it is larger than the sum of its proper divisors (212774858).

400225366 is a wasteful number, since it uses less digits than its factorization.

400225366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8295.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 400225366 is about 20005.6333566323. The cubic root of 400225366 is about 736.9446496556.

The spelling of 400225366 in words is "four hundred million, two hundred twenty-five thousand, three hundred sixty-six".