11620224 has 192 divisors, whose sum is σ = 42007680. Its totient is φ = 2995200.

The previous prime is 11620211. The next prime is 11620243. The reversal of 11620224 is 42202611.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11620197 and 11620206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88639 + ... + 88769.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

Almost surely, 2^11620224 is an apocalyptic number.

11620224 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 11620224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21003840).

11620224 is an abundant number, since it is smaller than the sum of its proper divisors (30387456).

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

11620224 is a wasteful number, since it uses less digits than its factorization.

11620224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11620224 is about 3408.8449656739. The cubic root of 11620224 is about 226.5017177479.

Adding to 11620224 its reverse (42202611), we get a palindrome (53822835).

The spelling of 11620224 in words is "eleven million, six hundred twenty thousand, two hundred twenty-four".