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2222020993 is a prime number
BaseRepresentation
bin1000010001110001…
…0101100110000001
312201212010100202211
42010130111212001
514022314132433
61004253342121
7106030603213
oct20434254601
95655110684
102222020993
11a40300295
12520197941
1329547192a
141711705b3
15d011b8cd
hex84715981

2222020993 has 2 divisors, whose sum is σ = 2222020994. Its totient is φ = 2222020992.

The previous prime is 2222020967. The next prime is 2222021017. The reversal of 2222020993 is 3990202222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797166449 + 424854544 = 42393^2 + 20612^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222020993 - 213 = 2222012801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222020943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111010496 + 1111010497.

It is an arithmetic number, because the mean of its divisors is an integer number (1111010497).

Almost surely, 22222020993 is an apocalyptic number.

It is an amenable number.

2222020993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222020993 is an equidigital number, since it uses as much as digits as its factorization.

2222020993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2222020993 is about 47138.3176725687. The cubic root of 2222020993 is about 1304.9164899121.

The spelling of 2222020993 in words is "two billion, two hundred twenty-two million, twenty thousand, nine hundred ninety-three".