400416222 has 32 divisors (see below), whose sum is σ = 844099200. Its totient is φ = 126279648.

The previous prime is 400416221. The next prime is 400416227. The reversal of 400416222 is 222614004.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400416221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106104 + ... + 109812.

It is an arithmetic number, because the mean of its divisors is an integer number (26378100).

Almost surely, 2^400416222 is an apocalyptic number.

400416222 is an abundant number, since it is smaller than the sum of its proper divisors (443682978).

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

400416222 is a wasteful number, since it uses less digits than its factorization.

400416222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 400416222 is about 20010.4028445206. The cubic root of 400416222 is about 737.0617736301.

The spelling of 400416222 in words is "four hundred million, four hundred sixteen thousand, two hundred twenty-two".