36221219 has 2 divisors, whose sum is σ = 36221220. Its totient is φ = 36221218.

The previous prime is 36221209. The next prime is 36221233. The reversal of 36221219 is 91212263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36221219 - 2⁸ = 36220963 is a prime.

It is a super-2 number, since 2×36221219² = 2623953411691922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36221209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18110609 + 18110610.

It is an arithmetic number, because the mean of its divisors is an integer number (18110610).

Almost surely, 2^36221219 is an apocalyptic number.

36221219 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221219 is an equidigital number, since it uses as much as digits as its factorization.

36221219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 36221219 is about 6018.4066828356. The cubic root of 36221219 is about 330.8676859401.

The spelling of 36221219 in words is "thirty-six million, two hundred twenty-one thousand, two hundred nineteen".