400221114 has 32 divisors (see below), whose sum is σ = 841380480. Its totient is φ = 126669312.

The previous prime is 400221109. The next prime is 400221139. The reversal of 400221114 is 411122004.

It is a junction number, because it is equal to n+sod(n) for n = 400221093 and 400221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8322 + ... + 29490.

It is an arithmetic number, because the mean of its divisors is an integer number (26293140).

Almost surely, 2^400221114 is an apocalyptic number.

400221114 is an abundant number, since it is smaller than the sum of its proper divisors (441159366).

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

400221114 is a wasteful number, since it uses less digits than its factorization.

400221114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 400221114 is about 20005.5270862829. The cubic root of 400221114 is about 736.9420398762.

Adding to 400221114 its reverse (411122004), we get a palindrome (811343118).

The spelling of 400221114 in words is "four hundred million, two hundred twenty-one thousand, one hundred fourteen".