36221963 has 2 divisors, whose sum is σ = 36221964. Its totient is φ = 36221962.

The previous prime is 36221959. The next prime is 36221989. The reversal of 36221963 is 36912263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36221963 - 2² = 36221959 is a prime.

It is not a weakly prime, because it can be changed into another prime (36220963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18110981 + 18110982.

It is an arithmetic number, because the mean of its divisors is an integer number (18110982).

Almost surely, 2^36221963 is an apocalyptic number.

36221963 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221963 is an equidigital number, since it uses as much as digits as its factorization.

36221963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 36221963 is about 6018.4684928975. The cubic root of 36221963 is about 330.8699513146.

The spelling of 36221963 in words is "thirty-six million, two hundred twenty-one thousand, nine hundred sixty-three".