30322213221 has 16 divisors (see below), whose sum is σ = 42574392000. Its totient is φ = 19143266688.

The previous prime is 30322213199. The next prime is 30322213247. The reversal of 30322213221 is 12231222303.

It is a happy number.

It is not a de Polignac number, because 30322213221 - 2¹⁴ = 30322196837 is a prime.

It is a super-2 number, since 2×30322213221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30322213261) 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, 40945 + ... + 249641.

It is an arithmetic number, because the mean of its divisors is an integer number (2660899500).

Almost surely, 2^30322213221 is an apocalyptic number.

It is an amenable number.

30322213221 is a deficient number, since it is larger than the sum of its proper divisors (12252178779).

30322213221 is a wasteful number, since it uses less digits than its factorization.

30322213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211268.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30322213221 its reverse (12231222303), we get a palindrome (42553435524).

The spelling of 30322213221 in words is "thirty billion, three hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-one".