Search a number
-
+
226822831 is a prime number
BaseRepresentation
bin11011000010100…
…00101010101111
3120210210210102121
431201100222233
5431031312311
634301333411
75422651024
oct1541205257
9523723377
10226822831
11107043394
1263b67267
1337cb90c1
14221a554b
1514da6b71
hexd850aaf

226822831 has 2 divisors, whose sum is σ = 226822832. Its totient is φ = 226822830.

The previous prime is 226822781. The next prime is 226822847. The reversal of 226822831 is 138228622.

It is a happy number.

226822831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226822831 is a prime.

It is a super-2 number, since 2×2268228312 = 102897193325709122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226822861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113411415 + 113411416.

It is an arithmetic number, because the mean of its divisors is an integer number (113411416).

Almost surely, 2226822831 is an apocalyptic number.

226822831 is a deficient number, since it is larger than the sum of its proper divisors (1).

226822831 is an equidigital number, since it uses as much as digits as its factorization.

226822831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 226822831 is about 15060.6384658818. The cubic root of 226822831 is about 609.8582766697.

The spelling of 226822831 in words is "two hundred twenty-six million, eight hundred twenty-two thousand, eight hundred thirty-one".