Search a number
-
+
22974331 is a prime number
BaseRepresentation
bin101011110100…
…0111101111011
31121020012212011
41113220331323
521340134311
62140230351
7366164362
oct127507573
947205764
1022974331
1111a71a56
12783b3b7
1349b51a3
1430a07d9
15203c321
hex15e8f7b

22974331 has 2 divisors, whose sum is σ = 22974332. Its totient is φ = 22974330.

The previous prime is 22974319. The next prime is 22974349. The reversal of 22974331 is 13347922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22974331 - 211 = 22972283 is a prime.

It is a super-2 number, since 2×229743312 = 1055639769795122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22974293 and 22974302.

It is not a weakly prime, because it can be changed into another prime (22974431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11487165 + 11487166.

It is an arithmetic number, because the mean of its divisors is an integer number (11487166).

Almost surely, 222974331 is an apocalyptic number.

22974331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22974331 is an equidigital number, since it uses as much as digits as its factorization.

22974331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 22974331 is about 4793.1545979657. The cubic root of 22974331 is about 284.2808626299.

The spelling of 22974331 in words is "twenty-two million, nine hundred seventy-four thousand, three hundred thirty-one".