Search a number
-
+
22872299 is a prime number
BaseRepresentation
bin101011101000…
…0000011101011
31121001000220012
41113100003223
521323403144
62134122135
7365261042
oct127200353
947030805
1022872299
1111a0232a
1277b034b
13497a908
143075559
15201be9e
hex15d00eb

22872299 has 2 divisors, whose sum is σ = 22872300. Its totient is φ = 22872298.

The previous prime is 22872247. The next prime is 22872331. The reversal of 22872299 is 99227822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22872299 - 28 = 22872043 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22875299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11436149 + 11436150.

It is an arithmetic number, because the mean of its divisors is an integer number (11436150).

Almost surely, 222872299 is an apocalyptic number.

22872299 is a deficient number, since it is larger than the sum of its proper divisors (1).

22872299 is an equidigital number, since it uses as much as digits as its factorization.

22872299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 22872299 is about 4782.4992420282. The cubic root of 22872299 is about 283.8593952878.

It can be divided in two parts, 228 and 72299, that added together give a palindrome (72527).

The spelling of 22872299 in words is "twenty-two million, eight hundred seventy-two thousand, two hundred ninety-nine".