1001011222 has 8 divisors (see below), whose sum is σ = 1523927736. Its totient is φ = 493035312.

The previous prime is 1001011211. The next prime is 1001011229. The reversal of 1001011222 is 2221101001.

1001011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 1001011199 and 1001011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001011229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734983 + ... + 3735250.

It is an arithmetic number, because the mean of its divisors is an integer number (190490967).

Almost surely, 2^1001011222 is an apocalyptic number.

1001011222 is a deficient number, since it is larger than the sum of its proper divisors (522916514).

1001011222 is an equidigital number, since it uses as much as digits as its factorization.

1001011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470302.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1001011222 is about 31638.7613853640. The cubic root of 1001011222 is about 1000.3369604449.

Adding to 1001011222 its reverse (2221101001), we get a palindrome (3222112223).

The spelling of 1001011222 in words is "one billion, one million, eleven thousand, two hundred twenty-two".