36222001 has 4 divisors (see below), whose sum is σ = 37201012. Its totient is φ = 35242992.

The previous prime is 36221989. The next prime is 36222013. The reversal of 36222001 is 10022263.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (36221989) and next prime (36222013).

It can be written as a sum of positive squares in 2 ways, for example, as 20611600 + 15610401 = 4540^2 + 3951^2 .

It is a cyclic number.

It is not a de Polignac number, because 36222001 - 2⁹ = 36221489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36222071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489450 + ... + 489523.

It is an arithmetic number, because the mean of its divisors is an integer number (9300253).

Almost surely, 2^36222001 is an apocalyptic number.

It is an amenable number.

36222001 is a deficient number, since it is larger than the sum of its proper divisors (979011).

36222001 is an equidigital number, since it uses as much as digits as its factorization.

36222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979010.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 36222001 is about 6018.4716498460. The cubic root of 36222001 is about 330.8700670183.

Adding to 36222001 its reverse (10022263), we get a palindrome (46244264).

The spelling of 36222001 in words is "thirty-six million, two hundred twenty-two thousand, one".