36161224 has 32 divisors (see below), whose sum is σ = 74449440. Its totient is φ = 16329600.

The previous prime is 36161201. The next prime is 36161233. The reversal of 36161224 is 42216163.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13084 + ... + 15604.

It is an arithmetic number, because the mean of its divisors is an integer number (2326545).

Almost surely, 2^36161224 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 36161224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37224720).

36161224 is an abundant number, since it is smaller than the sum of its proper divisors (38288216).

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

36161224 is a wasteful number, since it uses less digits than its factorization.

36161224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701 (or 2697 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 36161224 is about 6013.4203245740. The cubic root of 36161224 is about 330.6849074731.

Adding to 36161224 its reverse (42216163), we get a palindrome (78377387).

The spelling of 36161224 in words is "thirty-six million, one hundred sixty-one thousand, two hundred twenty-four".