36161223 has 32 divisors (see below), whose sum is σ = 56770560. Its totient is φ = 20049120.

The previous prime is 36161201. The next prime is 36161233. The reversal of 36161223 is 32216163.

It is a happy number.

It is not a de Polignac number, because 36161223 - 2¹⁸ = 35899079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36161193 and 36161202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36161233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117636 + ... + 117942.

It is an arithmetic number, because the mean of its divisors is an integer number (1774080).

Almost surely, 2^36161223 is an apocalyptic number.

36161223 is a deficient number, since it is larger than the sum of its proper divisors (20609337).

36161223 is a wasteful number, since it uses less digits than its factorization.

36161223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its digits is 1296, while the sum is 24.

The square root of 36161223 is about 6013.4202414267. The cubic root of 36161223 is about 330.6849044248.

Adding to 36161223 its reverse (32216163), we get a palindrome (68377386).

The spelling of 36161223 in words is "thirty-six million, one hundred sixty-one thousand, two hundred twenty-three".