Search a number
-
+
22379933 is a prime number
BaseRepresentation
bin101010101011…
…1110110011101
31120010000111102
41111113312131
521212124213
62115402445
7361140422
oct125276635
946100442
1022379933
11116a6414
1275b3425
134837784
142d87d49
151e71158
hex1557d9d

22379933 has 2 divisors, whose sum is σ = 22379934. Its totient is φ = 22379932.

The previous prime is 22379927. The next prime is 22379957. The reversal of 22379933 is 33997322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 120409 = 4718^2 + 347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22379933 is a prime.

It is a super-2 number, since 2×223799332 = 1001722802168978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22379963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11189966 + 11189967.

It is an arithmetic number, because the mean of its divisors is an integer number (11189967).

Almost surely, 222379933 is an apocalyptic number.

It is an amenable number.

22379933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22379933 is an equidigital number, since it uses as much as digits as its factorization.

22379933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 38.

The square root of 22379933 is about 4730.7433876718. The cubic root of 22379933 is about 281.8077466669.

The spelling of 22379933 in words is "twenty-two million, three hundred seventy-nine thousand, nine hundred thirty-three".