1009312222 has 8 divisors (see below), whose sum is σ = 1538787672. Its totient is φ = 496383000.

The previous prime is 1009312193. The next prime is 1009312301. The reversal of 1009312222 is 2222139001.

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

It is a super-2 number, since 2×1009312222² = 2037422322957154568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1009312193 and 1009312202.

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, 4136404 + ... + 4136647.

It is an arithmetic number, because the mean of its divisors is an integer number (192348459).

Almost surely, 2^1009312222 is an apocalyptic number.

1009312222 is a deficient number, since it is larger than the sum of its proper divisors (529475450).

1009312222 is an equidigital number, since it uses as much as digits as its factorization.

1009312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273114.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1009312222 is about 31769.6745655350. The cubic root of 1009312222 is about 1003.0944882649.

The spelling of 1009312222 in words is "one billion, nine million, three hundred twelve thousand, two hundred twenty-two".