1122230100 has 36 divisors (see below), whose sum is σ = 3246986624. Its totient is φ = 299261280.

The previous prime is 1122230077. The next prime is 1122230107. The reversal of 1122230100 is 10322211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122230107) 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 in 11 ways as a sum of consecutive naturals, for example, 1870084 + ... + 1870683.

Almost surely, 2^1122230100 is an apocalyptic number.

1122230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122230100 is an abundant number, since it is smaller than the sum of its proper divisors (2124756524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122230100 is a wasteful number, since it uses less digits than its factorization.

1122230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740784 (or 3740777 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122230100 is about 33499.7029837579. The cubic root of 1122230100 is about 1039.1876360757.

Adding to 1122230100 its reverse (10322211), we get a palindrome (1132552311).

The spelling of 1122230100 in words is "one billion, one hundred twenty-two million, two hundred thirty thousand, one hundred".