221423221221030 has 48 divisors (see below), whose sum is σ = 577136037052224. Its totient is φ = 58898944953600.

The previous prime is 221423221221011. The next prime is 221423221221047. The reversal of 221423221221030 is 30122122324122.

221423221221030 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 232 + 212 + 210 + 3 + 0 = 666.

It is a super-2 number, since 2×221423221221030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221423221220985 and 221423221221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3067617294 + ... + 3067689473.

It is an arithmetic number, because the mean of its divisors is an integer number (12023667438588).

Almost surely, 2^{221423221221030} is an apocalyptic number.

221423221221030 is an abundant number, since it is smaller than the sum of its proper divisors (355712815831194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221423221221030 is a wasteful number, since it uses less digits than its factorization.

221423221221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135307181 (or 6135307178 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221423221221030 its reverse (30122122324122), we get a palindrome (251545343545152).

The spelling of 221423221221030 in words is "two hundred twenty-one trillion, four hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-one thousand, thirty".