Search a number
-
+
22879039 is a prime number
BaseRepresentation
bin101011101000…
…1101100111111
31121001101010211
41113101230333
521324112124
62134213251
7365316511
oct127215477
947041124
1022879039
1111a073a7
1277b4227
1349809c1
143077bb1
15201de94
hex15d1b3f

22879039 has 2 divisors, whose sum is σ = 22879040. Its totient is φ = 22879038.

The previous prime is 22879037. The next prime is 22879049. The reversal of 22879039 is 93097822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22879039 - 21 = 22879037 is a prime.

Together with 22879037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22878992 and 22879010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22879037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11439519 + 11439520.

It is an arithmetic number, because the mean of its divisors is an integer number (11439520).

Almost surely, 222879039 is an apocalyptic number.

22879039 is a deficient number, since it is larger than the sum of its proper divisors (1).

22879039 is an equidigital number, since it uses as much as digits as its factorization.

22879039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 22879039 is about 4783.2038426143. The cubic root of 22879039 is about 283.8872750742.

The spelling of 22879039 in words is "twenty-two million, eight hundred seventy-nine thousand, thirty-nine".