400222113 has 8 divisors (see below), whose sum is σ = 546039648. Its totient is φ = 260609664.

The previous prime is 400222093. The next prime is 400222117. The reversal of 400222113 is 311222004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400222113 - 2¹² = 400218017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400222092 and 400222101.

It is not an unprimeable number, because it can be changed into a prime (400222117) 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, 1551120 + ... + 1551377.

It is an arithmetic number, because the mean of its divisors is an integer number (68254956).

Almost surely, 2^400222113 is an apocalyptic number.

400222113 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

400222113 is a deficient number, since it is larger than the sum of its proper divisors (145817535).

400222113 is a wasteful number, since it uses less digits than its factorization.

400222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102543.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 400222113 is about 20005.5520543673. The cubic root of 400222113 is about 736.9426530410.

Adding to 400222113 its reverse (311222004), we get a palindrome (711444117).

The spelling of 400222113 in words is "four hundred million, two hundred twenty-two thousand, one hundred thirteen".