1364002221 has 4 divisors (see below), whose sum is σ = 1818669632. Its totient is φ = 909334812.

The previous prime is 1364002219. The next prime is 1364002249. The reversal of 1364002221 is 1222004631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1364002221 - 2¹ = 1364002219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364002291) 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, 227333701 + ... + 227333706.

It is an arithmetic number, because the mean of its divisors is an integer number (454667408).

Almost surely, 2^1364002221 is an apocalyptic number.

It is an amenable number.

1364002221 is a deficient number, since it is larger than the sum of its proper divisors (454667411).

1364002221 is an equidigital number, since it uses as much as digits as its factorization.

1364002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454667410.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1364002221 is about 36932.4006936998. The cubic root of 1364002221 is about 1109.0173976162.

Adding to 1364002221 its reverse (1222004631), we get a palindrome (2586006852).

The spelling of 1364002221 in words is "one billion, three hundred sixty-four million, two thousand, two hundred twenty-one".