1350633221 has 16 divisors (see below), whose sum is σ = 1720402560. Its totient is φ = 1032238080.

The previous prime is 1350633169. The next prime is 1350633233. The reversal of 1350633221 is 1223360531.

It is not a de Polignac number, because 1350633221 - 2⁶ = 1350633157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350633281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296420 + ... + 300941.

It is an arithmetic number, because the mean of its divisors is an integer number (107525160).

Almost surely, 2^1350633221 is an apocalyptic number.

It is an amenable number.

1350633221 is a deficient number, since it is larger than the sum of its proper divisors (369769339).

1350633221 is a wasteful number, since it uses less digits than its factorization.

1350633221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597404.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1350633221 is about 36750.9621778805. The cubic root of 1350633221 is about 1105.3822230342.

Adding to 1350633221 its reverse (1223360531), we get a palindrome (2573993752).

The spelling of 1350633221 in words is "one billion, three hundred fifty million, six hundred thirty-three thousand, two hundred twenty-one".