1114243220 has 48 divisors (see below), whose sum is σ = 2548022400. Its totient is φ = 407675520.

The previous prime is 1114243217. The next prime is 1114243231. The reversal of 1114243220 is 223424111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1114243192 and 1114243201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39536 + ... + 61575.

It is an arithmetic number, because the mean of its divisors is an integer number (53083800).

Almost surely, 2^1114243220 is an apocalyptic number.

1114243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1114243220 is an abundant number, since it is smaller than the sum of its proper divisors (1433779180).

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

1114243220 is a wasteful number, since it uses less digits than its factorization.

1114243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101168 (or 101166 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1114243220 is about 33380.2819041422. The cubic root of 1114243220 is about 1036.7164746675.

Adding to 1114243220 its reverse (223424111), we get a palindrome (1337667331).

The spelling of 1114243220 in words is "one billion, one hundred fourteen million, two hundred forty-three thousand, two hundred twenty".