1011222208 has 28 divisors (see below), whose sum is σ = 2021308632. Its totient is φ = 501916160.

The previous prime is 1011222167. The next prime is 1011222211. The reversal of 1011222208 is 8022221101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48898 + ... + 66433.

It is an arithmetic number, because the mean of its divisors is an integer number (72189594).

Almost surely, 2^1011222208 is an apocalyptic number.

It is an amenable number.

1011222208 is a deficient number, since it is larger than the sum of its proper divisors (1010086424).

1011222208 is a wasteful number, since it uses less digits than its factorization.

1011222208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115480 (or 115470 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1011222208 is about 31799.7202503418. The cubic root of 1011222208 is about 1003.7268294877.

Adding to 1011222208 its reverse (8022221101), we get a palindrome (9033443309).

The spelling of 1011222208 in words is "one billion, eleven million, two hundred twenty-two thousand, two hundred eight".