10400222 has 16 divisors (see below), whose sum is σ = 18081792. Its totient is φ = 4394040.

The previous prime is 10400189. The next prime is 10400231. The reversal of 10400222 is 22200401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4238 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (1130112).

Almost surely, 2^10400222 is an apocalyptic number.

10400222 is a deficient number, since it is larger than the sum of its proper divisors (7681570).

10400222 is a wasteful number, since it uses less digits than its factorization.

10400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 10400222 is about 3224.9375187746. The cubic root of 10400222 is about 218.2801297372.

Adding to 10400222 its reverse (22200401), we get a palindrome (32600623).

The spelling of 10400222 in words is "ten million, four hundred thousand, two hundred twenty-two".