Search a number
-
+
22404224371 is a prime number
BaseRepresentation
bin10100110111011001…
…010101010101110011
32010211101111112001211
4110313121111111303
5331340440134441
614143052140551
71422124523254
oct246731252563
963741445054
1022404224371
119557667411
124413167757
1321608122c9
141127724b2b
158b1d78a81
hex537655573

22404224371 has 2 divisors, whose sum is σ = 22404224372. Its totient is φ = 22404224370.

The previous prime is 22404224363. The next prime is 22404224419. The reversal of 22404224371 is 17342240422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22404224371 - 23 = 22404224363 is a prime.

It is a super-2 number, since 2×224042243712 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22404224341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202112185 + 11202112186.

It is an arithmetic number, because the mean of its divisors is an integer number (11202112186).

Almost surely, 222404224371 is an apocalyptic number.

22404224371 is a deficient number, since it is larger than the sum of its proper divisors (1).

22404224371 is an equidigital number, since it uses as much as digits as its factorization.

22404224371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 22404224371 its reverse (17342240422), we get a palindrome (39746464793).

The spelling of 22404224371 in words is "twenty-two billion, four hundred four million, two hundred twenty-four thousand, three hundred seventy-one".