1072184220 has 108 divisors (see below), whose sum is σ = 3455024664. Its totient is φ = 269084160.

The previous prime is 1072184219. The next prime is 1072184221. The reversal of 1072184220 is 224812701.

It is an interprime number because it is at equal distance from previous prime (1072184219) and next prime (1072184221).

It is a super-2 number, since 2×1072184220² = 2299158003234016800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072184221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41715 + ... + 62325.

Almost surely, 2^1072184220 is an apocalyptic number.

1072184220 is a gapful number since it is divisible by the number (10) 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 1072184220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727512332).

1072184220 is an abundant number, since it is smaller than the sum of its proper divisors (2382840444).

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

1072184220 is a wasteful number, since it uses less digits than its factorization.

1072184220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20660 (or 20638 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1072184220 is about 32744.2242235176. The cubic root of 1072184220 is about 1023.5046114039.

Adding to 1072184220 its reverse (224812701), we get a palindrome (1296996921).

The spelling of 1072184220 in words is "one billion, seventy-two million, one hundred eighty-four thousand, two hundred twenty".