400230622 has 16 divisors (see below), whose sum is σ = 655299072. Its totient is φ = 181818520.

The previous prime is 400230619. The next prime is 400230641. The reversal of 400230622 is 226032004.

It is a self number, because there is not a number n which added to its sum of digits gives 400230622.

It is a congruent number.

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, 44433 + ... + 52675.

It is an arithmetic number, because the mean of its divisors is an integer number (40956192).

Almost surely, 2^400230622 is an apocalyptic number.

400230622 is a deficient number, since it is larger than the sum of its proper divisors (255068450).

400230622 is a wasteful number, since it uses less digits than its factorization.

400230622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 400230622 is about 20005.7647192003. The cubic root of 400230622 is about 736.9478756415.

Adding to 400230622 its reverse (226032004), we get a palindrome (626262626).

The spelling of 400230622 in words is "four hundred million, two hundred thirty thousand, six hundred twenty-two".