400104222 has 32 divisors (see below), whose sum is σ = 915171072. Its totient is φ = 114234624.

The previous prime is 400104181. The next prime is 400104227. The reversal of 400104222 is 222401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400104227) 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 15 ways as a sum of consecutive naturals, for example, 82353 + ... + 87075.

It is an arithmetic number, because the mean of its divisors is an integer number (28599096).

Almost surely, 2^400104222 is an apocalyptic number.

400104222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

400104222 is an abundant number, since it is smaller than the sum of its proper divisors (515066850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400104222 is a wasteful number, since it uses less digits than its factorization.

400104222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 400104222 is about 20002.6053802998. The cubic root of 400104222 is about 736.8702870261.

Adding to 400104222 its reverse (222401004), we get a palindrome (622505226).

The spelling of 400104222 in words is "four hundred million, one hundred four thousand, two hundred twenty-two".