1122244100 has 36 divisors (see below), whose sum is σ = 2491913424. Its totient is φ = 438456480.

The previous prime is 1122244093. The next prime is 1122244121. The reversal of 1122244100 is 14422211.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126194 + ... + 134793.

Almost surely, 2^1122244100 is an apocalyptic number.

1122244100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122244100 is an abundant number, since it is smaller than the sum of its proper divisors (1369669324).

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

1122244100 is a wasteful number, since it uses less digits than its factorization.

1122244100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261044 (or 261037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1122244100 is about 33499.9119401828. The cubic root of 1122244100 is about 1039.1919574017.

Adding to 1122244100 its reverse (14422211), we get a palindrome (1136666311).

The spelling of 1122244100 in words is "one billion, one hundred twenty-two million, two hundred forty-four thousand, one hundred".