Search a number
-
+
22124210 = 252212421
BaseRepresentation
bin101010001100…
…1011010110010
31112122000201012
41110121122302
521130433320
62110110522
7356024033
oct124313262
945560635
1022124210
1111541279
1274ab442
134778264
142d1ca8a
151e204c5
hex15196b2

22124210 has 8 divisors (see below), whose sum is σ = 39823596. Its totient is φ = 8849680.

The previous prime is 22124209. The next prime is 22124251. The reversal of 22124210 is 1242122.

It can be written as a sum of positive squares in 2 ways, for example, as 20457529 + 1666681 = 4523^2 + 1291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106201 + ... + 1106220.

Almost surely, 222124210 is an apocalyptic number.

22124210 is a deficient number, since it is larger than the sum of its proper divisors (17699386).

22124210 is a wasteful number, since it uses less digits than its factorization.

22124210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212428.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22124210 is about 4703.6379537545. The cubic root of 22124210 is about 280.7302790487.

Adding to 22124210 its reverse (1242122), we get a palindrome (23366332).

It can be divided in two parts, 2 and 2124210, that added together give a palindrome (2124212).

The spelling of 22124210 in words is "twenty-two million, one hundred twenty-four thousand, two hundred ten".

Divisors: 1 2 5 10 2212421 4424842 11062105 22124210