36221959 has 2 divisors, whose sum is σ = 36221960. Its totient is φ = 36221958.

The previous prime is 36221909. The next prime is 36221963. The reversal of 36221959 is 95912263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36221959 - 2⁷ = 36221831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36221909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18110979 + 18110980.

It is an arithmetic number, because the mean of its divisors is an integer number (18110980).

Almost surely, 2^36221959 is an apocalyptic number.

36221959 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221959 is an equidigital number, since it uses as much as digits as its factorization.

36221959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 36221959 is about 6018.4681605870. The cubic root of 36221959 is about 330.8699391352.

The spelling of 36221959 in words is "thirty-six million, two hundred twenty-one thousand, nine hundred fifty-nine".