Search a number
-
+
1010222321 is a prime number
BaseRepresentation
bin111100001101101…
…100010011110001
32121101220121111112
4330031230103301
54032104103241
6244124323105
734014514403
oct7415542361
92541817445
101010222321
11479275a89
122423a3495
131313a8cb4
149824cb73
155da501eb
hex3c36c4f1

1010222321 has 2 divisors, whose sum is σ = 1010222322. Its totient is φ = 1010222320.

The previous prime is 1010222287. The next prime is 1010222333. The reversal of 1010222321 is 1232220101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509134096 + 501088225 = 22564^2 + 22385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010222321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010222296 and 1010222305.

It is not a weakly prime, because it can be changed into another prime (1010222021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505111160 + 505111161.

It is an arithmetic number, because the mean of its divisors is an integer number (505111161).

Almost surely, 21010222321 is an apocalyptic number.

It is an amenable number.

1010222321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010222321 is an equidigital number, since it uses as much as digits as its factorization.

1010222321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1010222321 is about 31783.9947300524. The cubic root of 1010222321 is about 1003.3958951754.

Adding to 1010222321 its reverse (1232220101), we get a palindrome (2242442422).

It can be divided in two parts, 10102 and 22321, that added together give a palindrome (32423).

The spelling of 1010222321 in words is "one billion, ten million, two hundred twenty-two thousand, three hundred twenty-one".