1011322222 has 4 divisors (see below), whose sum is σ = 1516983336. Its totient is φ = 505661110.

The previous prime is 1011322211. The next prime is 1011322223. The reversal of 1011322222 is 2222231101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1011322222² = 2045545273422034568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011322196 and 1011322205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011322223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252830554 + ... + 252830557.

It is an arithmetic number, because the mean of its divisors is an integer number (379245834).

Almost surely, 2^1011322222 is an apocalyptic number.

1011322222 is a deficient number, since it is larger than the sum of its proper divisors (505661114).

1011322222 is an equidigital number, since it uses as much as digits as its factorization.

1011322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505661113.

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

The square root of 1011322222 is about 31801.2927724645. The cubic root of 1011322222 is about 1003.7599192890.

Adding to 1011322222 its reverse (2222231101), we get a palindrome (3233553323).

The spelling of 1011322222 in words is "one billion, eleven million, three hundred twenty-two thousand, two hundred twenty-two".