1122220092 has 96 divisors (see below), whose sum is σ = 3086802432. Its totient is φ = 310692096.

The previous prime is 1122220087. The next prime is 1122220093. The reversal of 1122220092 is 2900222211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122220093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367998 + ... + 371034.

It is an arithmetic number, because the mean of its divisors is an integer number (32154192).

Almost surely, 2^1122220092 is an apocalyptic number.

1122220092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122220092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543401216).

1122220092 is an abundant number, since it is smaller than the sum of its proper divisors (1964582340).

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

1122220092 is a wasteful number, since it uses less digits than its factorization.

1122220092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1122220092 is about 33499.5536089662. The cubic root of 1122220092 is about 1039.1845469229.

The spelling of 1122220092 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, ninety-two".