36221401 has 2 divisors, whose sum is σ = 36221402. Its totient is φ = 36221400.

The previous prime is 36221387. The next prime is 36221413. The reversal of 36221401 is 10412263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 13133376 = 4805^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 36221401 - 2¹¹ = 36219353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36221461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18110700 + 18110701.

It is an arithmetic number, because the mean of its divisors is an integer number (18110701).

Almost surely, 2^36221401 is an apocalyptic number.

It is an amenable number.

36221401 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221401 is an equidigital number, since it uses as much as digits as its factorization.

36221401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 36221401 is about 6018.4218030976. The cubic root of 36221401 is about 330.8682401072.

Adding to 36221401 its reverse (10412263), we get a palindrome (46633664).

The spelling of 36221401 in words is "thirty-six million, two hundred twenty-one thousand, four hundred one".