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232221061 is a prime number
BaseRepresentation
bin11011101011101…
…10100110000101
3121011222001102001
431311312212011
5433422033221
635013145301
75516563222
oct1565664605
9534861361
10232221061
1110a0a0136
126592b231
1339159217
1422bac949
15155c1391
hexdd76985

232221061 has 2 divisors, whose sum is σ = 232221062. Its totient is φ = 232221060.

The previous prime is 232221013. The next prime is 232221091. The reversal of 232221061 is 160122232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195132961 + 37088100 = 13969^2 + 6090^2 .

It is a cyclic number.

It is not a de Polignac number, because 232221061 - 215 = 232188293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232221001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116110530 + 116110531.

It is an arithmetic number, because the mean of its divisors is an integer number (116110531).

Almost surely, 2232221061 is an apocalyptic number.

It is an amenable number.

232221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

232221061 is an equidigital number, since it uses as much as digits as its factorization.

232221061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 232221061 is about 15238.8011667585. The cubic root of 232221061 is about 614.6584668121.

Adding to 232221061 its reverse (160122232), we get a palindrome (392343293).

The spelling of 232221061 in words is "two hundred thirty-two million, two hundred twenty-one thousand, sixty-one".