Search a number
-
+
1222337939 is a prime number
BaseRepresentation
bin100100011011011…
…0110010110010011
310011012001012102112
41020312312112103
510000404303224
6321142535535
742201462314
oct11066662623
93135035375
101222337939
11577a83649
122a14375ab
13166315ab4
14b84a660b
157249e30e
hex48db6593

1222337939 has 2 divisors, whose sum is σ = 1222337940. Its totient is φ = 1222337938.

The previous prime is 1222337923. The next prime is 1222337951. The reversal of 1222337939 is 9397332221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222337939 - 24 = 1222337923 is a prime.

It is a super-2 number, since 2×12223379392 = 2988220074237535442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222337896 and 1222337905.

It is not a weakly prime, because it can be changed into another prime (1222337959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611168969 + 611168970.

It is an arithmetic number, because the mean of its divisors is an integer number (611168970).

Almost surely, 21222337939 is an apocalyptic number.

1222337939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222337939 is an equidigital number, since it uses as much as digits as its factorization.

1222337939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 1222337939 is about 34961.9498741131. The cubic root of 1222337939 is about 1069.2118512554.

The spelling of 1222337939 in words is "one billion, two hundred twenty-two million, three hundred thirty-seven thousand, nine hundred thirty-nine".