36214421 has 2 divisors, whose sum is σ = 36214422. Its totient is φ = 36214420.

The previous prime is 36214411. The next prime is 36214429. The reversal of 36214421 is 12441263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 46225 = 6014^2 + 215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36214421 is a prime.

It is a super-2 number, since 2×36214421² = 2622968576730482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36214429) by changing a digit.

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 as a sum of consecutive naturals, namely, 18107210 + 18107211.

It is an arithmetic number, because the mean of its divisors is an integer number (18107211).

Almost surely, 2^36214421 is an apocalyptic number.

It is an amenable number.

36214421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36214421 is an equidigital number, since it uses as much as digits as its factorization.

36214421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 36214421 is about 6017.8418889167. The cubic root of 36214421 is about 330.8469855577.

Adding to 36214421 its reverse (12441263), we get a palindrome (48655684).

The spelling of 36214421 in words is "thirty-six million, two hundred fourteen thousand, four hundred twenty-one".