1331000222 has 8 divisors (see below), whose sum is σ = 2024620272. Its totient is φ = 656126800.

The previous prime is 1331000213. The next prime is 1331000233. The reversal of 1331000222 is 2220001331.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1331000197 and 1331000206.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4686479 + ... + 4686762.

It is an arithmetic number, because the mean of its divisors is an integer number (253077534).

Almost surely, 2^1331000222 is an apocalyptic number.

1331000222 is a deficient number, since it is larger than the sum of its proper divisors (693620050).

1331000222 is an equidigital number, since it uses as much as digits as its factorization.

1331000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373314.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1331000222 is about 36482.8757364328. The cubic root of 1331000222 is about 1100.0000611570. Note that the first 4 decimals are identical.

Adding to 1331000222 its reverse (2220001331), we get a palindrome (3551001553).

The spelling of 1331000222 in words is "one billion, three hundred thirty-one million, two hundred twenty-two", and thus it is an aban number.