1222220184 has 64 divisors (see below), whose sum is σ = 3203020800. Its totient is φ = 387906816.

The previous prime is 1222220183. The next prime is 1222220249. The reversal of 1222220184 is 4810222221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222220183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118132 + ... + 128060.

It is an arithmetic number, because the mean of its divisors is an integer number (50047200).

Almost surely, 2^1222220184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222220184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601510400).

1222220184 is an abundant number, since it is smaller than the sum of its proper divisors (1980800616).

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

1222220184 is a wasteful number, since it uses less digits than its factorization.

1222220184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 1222220184 is about 34960.2657884633. The cubic root of 1222220184 is about 1069.1775156648.

The spelling of 1222220184 in words is "one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred eighty-four".