1001431222 has 32 divisors (see below), whose sum is σ = 1652755104. Its totient is φ = 451315200.

The previous prime is 1001431217. The next prime is 1001431231. The reversal of 1001431222 is 2221341001.

1001431222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1001431196 and 1001431205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172072 + ... + 2172532.

It is an arithmetic number, because the mean of its divisors is an integer number (51648597).

Almost surely, 2^1001431222 is an apocalyptic number.

1001431222 is a deficient number, since it is larger than the sum of its proper divisors (651323882).

1001431222 is a wasteful number, since it uses less digits than its factorization.

1001431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1001431222 is about 31645.3981172619. The cubic root of 1001431222 is about 1000.4768465812.

Adding to 1001431222 its reverse (2221341001), we get a palindrome (3222772223).

The spelling of 1001431222 in words is "one billion, one million, four hundred thirty-one thousand, two hundred twenty-two".