Search a number
-
+
2022221297 is a prime number
BaseRepresentation
bin111100010001000…
…1010010111110001
312012221011111010002
41320202022113301
513120142040142
6532355115345
7101053411625
oct17042122761
95187144102
102022221297
11948544878
124852a2b55
13262c57865
14152801185
15bc801a32
hex7888a5f1

2022221297 has 2 divisors, whose sum is σ = 2022221298. Its totient is φ = 2022221296.

The previous prime is 2022221287. The next prime is 2022221321. The reversal of 2022221297 is 7921222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303498816 + 718722481 = 36104^2 + 26809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022221297 - 28 = 2022221041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022221237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011110648 + 1011110649.

It is an arithmetic number, because the mean of its divisors is an integer number (1011110649).

Almost surely, 22022221297 is an apocalyptic number.

It is an amenable number.

2022221297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022221297 is an equidigital number, since it uses as much as digits as its factorization.

2022221297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2022221297 is about 44969.1149234672. The cubic root of 2022221297 is about 1264.5700543280.

Adding to 2022221297 its reverse (7921222202), we get a palindrome (9943443499).

The spelling of 2022221297 in words is "two billion, twenty-two million, two hundred twenty-one thousand, two hundred ninety-seven".