1051312222 has 8 divisors (see below), whose sum is σ = 1577536200. Its totient is φ = 525466824.

The previous prime is 1051312211. The next prime is 1051312243. The reversal of 1051312222 is 2222131501.

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

It is a super-2 number, since 2×1051312222² = 2210514776253154568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051312222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87597 + ... + 98872.

It is an arithmetic number, because the mean of its divisors is an integer number (197192025).

Almost surely, 2^1051312222 is an apocalyptic number.

1051312222 is a deficient number, since it is larger than the sum of its proper divisors (526223978).

1051312222 is a wasteful number, since it uses less digits than its factorization.

1051312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189290.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1051312222 is about 32423.9451948710. The cubic root of 1051312222 is about 1016.8195893353.

Adding to 1051312222 its reverse (2222131501), we get a palindrome (3273443723).

The spelling of 1051312222 in words is "one billion, fifty-one million, three hundred twelve thousand, two hundred twenty-two".