Search a number
-
+
22002246047 is a prime number
BaseRepresentation
bin10100011111011011…
…111010000110011111
32002210101002220110202
4110133123322012133
5330030033333142
614035132254115
71406144001635
oct243733720637
962711086422
1022002246047
119370770121
12432061133b
1320c845a402
1410ca1a7355
1588b924032
hex51f6fa19f

22002246047 has 2 divisors, whose sum is σ = 22002246048. Its totient is φ = 22002246046.

The previous prime is 22002246043. The next prime is 22002246059. The reversal of 22002246047 is 74064220022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22002246047 - 22 = 22002246043 is a prime.

It is a super-2 number, since 2×220022460472 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002246043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001123023 + 11001123024.

It is an arithmetic number, because the mean of its divisors is an integer number (11001123024).

Almost surely, 222002246047 is an apocalyptic number.

22002246047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002246047 is an equidigital number, since it uses as much as digits as its factorization.

22002246047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 22002246047 its reverse (74064220022), we get a palindrome (96066466069).

The spelling of 22002246047 in words is "twenty-two billion, two million, two hundred forty-six thousand, forty-seven".