36322223621 has 2 divisors, whose sum is σ = 36322223622. Its totient is φ = 36322223620.

The previous prime is 36322223551. The next prime is 36322223627. The reversal of 36322223621 is 12632222363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36143332996 + 178890625 = 190114^2 + 13375^2 .

It is an emirp because it is prime and its reverse (12632222363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36322223621 - 2¹⁴ = 36322207237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36322223627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18161111810 + 18161111811.

It is an arithmetic number, because the mean of its divisors is an integer number (18161111811).

Almost surely, 2^36322223621 is an apocalyptic number.

It is an amenable number.

36322223621 is a deficient number, since it is larger than the sum of its proper divisors (1).

36322223621 is an equidigital number, since it uses as much as digits as its factorization.

36322223621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

Adding to 36322223621 its reverse (12632222363), we get a palindrome (48954445984).

It can be divided in two parts, 3632222362 and 1, that added together give a palindrome (3632222363).

The spelling of 36322223621 in words is "thirty-six billion, three hundred twenty-two million, two hundred twenty-three thousand, six hundred twenty-one".