1226213184 has 224 divisors, whose sum is σ = 4031488000. Its totient is φ = 320993280.

The previous prime is 1226213173. The next prime is 1226213227. The reversal of 1226213184 is 4813126221.

It is a tau number, because it is divible by the number of its divisors (224).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790842 + ... + 792390.

Almost surely, 2^1226213184 is an apocalyptic number.

1226213184 is a gapful number since it is divisible by the number (14) 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 1226213184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015744000).

1226213184 is an abundant number, since it is smaller than the sum of its proper divisors (2805274816).

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

1226213184 is a wasteful number, since it uses less digits than its factorization.

1226213184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1611 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1226213184 is about 35017.3269111164. The cubic root of 1226213184 is about 1070.3405862532.

The spelling of 1226213184 in words is "one billion, two hundred twenty-six million, two hundred thirteen thousand, one hundred eighty-four".