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223032221221 = 1929404777171
BaseRepresentation
bin1100111110110111000…
…0011001111000100101
3210022200111110202021211
43033231300121320211
512123232222034341
6250243134311421
722053642413005
oct3175560317045
9708614422254
10223032221221
1186650968977
1237285058571
1318054c80344
14ab1ad9a005
155c054eb181
hex33edc19e25

223032221221 has 8 divisors (see below), whose sum is σ = 242866303200. Its totient is φ = 204007693680.

The previous prime is 223032221101. The next prime is 223032221233. The reversal of 223032221221 is 122122230322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223032221221 - 213 = 223032213029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223032221192 and 223032221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223032222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202388035 + ... + 202389136.

It is an arithmetic number, because the mean of its divisors is an integer number (30358287900).

Almost surely, 2223032221221 is an apocalyptic number.

It is an amenable number.

223032221221 is a deficient number, since it is larger than the sum of its proper divisors (19834081979).

223032221221 is a wasteful number, since it uses less digits than its factorization.

223032221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404777219.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 223032221221 its reverse (122122230322), we get a palindrome (345154451543).

The spelling of 223032221221 in words is "two hundred twenty-three billion, thirty-two million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 19 29 551 404777171 7690766249 11738537959 223032221221