36000221602 has 4 divisors (see below), whose sum is σ = 54000332406. Its totient is φ = 18000110800.

The previous prime is 36000221597. The next prime is 36000221603. The reversal of 36000221602 is 20612200063.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 33966121401 + 2034100201 = 184299^2 + 45101^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (36000221603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000055399 + ... + 9000055402.

Almost surely, 2^36000221602 is an apocalyptic number.

36000221602 is a deficient number, since it is larger than the sum of its proper divisors (18000110804).

36000221602 is a wasteful number, since it uses less digits than its factorization.

36000221602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000110803.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 36000221602 its reverse (20612200063), we get a palindrome (56612421665).

The spelling of 36000221602 in words is "thirty-six billion, two hundred twenty-one thousand, six hundred two".