1001222108 has 24 divisors (see below), whose sum is σ = 1834872480. Its totient is φ = 477128960.

The previous prime is 1001222107. The next prime is 1001222137. The reversal of 1001222108 is 8012221001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488 + ... + 45216.

It is an arithmetic number, because the mean of its divisors is an integer number (76453020).

Almost surely, 2^1001222108 is an apocalyptic number.

It is an amenable number.

1001222108 is a deficient number, since it is larger than the sum of its proper divisors (833650372).

1001222108 is a wasteful number, since it uses less digits than its factorization.

1001222108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39037 (or 39035 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1001222108 is about 31642.0939256554. The cubic root of 1001222108 is about 1000.4072034961.

Adding to 1001222108 its reverse (8012221001), we get a palindrome (9013443109).

The spelling of 1001222108 in words is "one billion, one million, two hundred twenty-two thousand, one hundred eight".