30220212223221 has 32 divisors (see below), whose sum is σ = 41215831267968. Its totient is φ = 19688747569920.

The previous prime is 30220212223217. The next prime is 30220212223241. The reversal of 30220212223221 is 12232221202203.

It is not a de Polignac number, because 30220212223221 - 2² = 30220212223217 is a prime.

It is a super-2 number, since 2×30220212223221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220212223191 and 30220212223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220212223241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133645626 + ... + 133871556.

It is an arithmetic number, because the mean of its divisors is an integer number (1287994727124).

Almost surely, 2^{30220212223221} is an apocalyptic number.

It is an amenable number.

30220212223221 is a deficient number, since it is larger than the sum of its proper divisors (10995619044747).

30220212223221 is a wasteful number, since it uses less digits than its factorization.

30220212223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229301.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30220212223221 its reverse (12232221202203), we get a palindrome (42452433425424).

The spelling of 30220212223221 in words is "thirty trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-three thousand, two hundred twenty-one".