36221123 has 2 divisors, whose sum is σ = 36221124. Its totient is φ = 36221122.

The previous prime is 36221111. The next prime is 36221137. The reversal of 36221123 is 32112263.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36221123 is a prime.

It is a super-2 number, since 2×36221123² = 2623939502762258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 36221095 and 36221104.

It is not a weakly prime, because it can be changed into another prime (36221173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18110561 + 18110562.

It is an arithmetic number, because the mean of its divisors is an integer number (18110562).

Almost surely, 2^36221123 is an apocalyptic number.

36221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221123 is an equidigital number, since it uses as much as digits as its factorization.

36221123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 36221123 is about 6018.3987072975. The cubic root of 36221123 is about 330.8673936315.

Adding to 36221123 its reverse (32112263), we get a palindrome (68333386).

The spelling of 36221123 in words is "thirty-six million, two hundred twenty-one thousand, one hundred twenty-three".