1362230221 has 24 divisors (see below), whose sum is σ = 1567083672. Its totient is φ = 1181980800.

The previous prime is 1362230201. The next prime is 1362230227. The reversal of 1362230221 is 1220322631.

It can be written as a sum of positive squares in 4 ways, for example, as 612018121 + 750212100 = 24739^2 + 27390^2 .

It is not a de Polignac number, because 1362230221 - 2⁹ = 1362229709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1362230192 and 1362230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362230227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234411 + ... + 240151.

It is an arithmetic number, because the mean of its divisors is an integer number (65295153).

Almost surely, 2^1362230221 is an apocalyptic number.

1362230221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1362230221 is a deficient number, since it is larger than the sum of its proper divisors (204853451).

1362230221 is a wasteful number, since it uses less digits than its factorization.

1362230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853 (or 5842 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1362230221 is about 36908.4031217824. The cubic root of 1362230221 is about 1108.5369413010.

Adding to 1362230221 its reverse (1220322631), we get a palindrome (2582552852).

The spelling of 1362230221 in words is "one billion, three hundred sixty-two million, two hundred thirty thousand, two hundred twenty-one".