1364227221 has 32 divisors (see below), whose sum is σ = 2196725760. Its totient is φ = 736205184.

The previous prime is 1364227219. The next prime is 1364227223. The reversal of 1364227221 is 1227224631.

It is an interprime number because it is at equal distance from previous prime (1364227219) and next prime (1364227223).

It is not a de Polignac number, because 1364227221 - 2¹ = 1364227219 is a prime.

It is a super-2 number, since 2×1364227221² = 3722231821034765682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364227223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20281 + ... + 56033.

It is an arithmetic number, because the mean of its divisors is an integer number (68647680).

Almost surely, 2^1364227221 is an apocalyptic number.

It is an amenable number.

1364227221 is a deficient number, since it is larger than the sum of its proper divisors (832498539).

1364227221 is a wasteful number, since it uses less digits than its factorization.

1364227221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35865.

The product of its digits is 8064, while the sum is 30.

The square root of 1364227221 is about 36935.4466738931. The cubic root of 1364227221 is about 1109.0783738599.

The spelling of 1364227221 in words is "one billion, three hundred sixty-four million, two hundred twenty-seven thousand, two hundred twenty-one".