Search a number
-
+
22663492 = 227977109
BaseRepresentation
bin101011001110…
…1000101000100
31120122102110121
41112131011010
521300212432
62125431324
7363431215
oct126350504
946572417
1022663492
111187a465
12770b544
134906867
14301d40c
151eca197
hex159d144

22663492 has 12 divisors (see below), whose sum is σ = 39716460. Its totient is φ = 11315936.

The previous prime is 22663481. The next prime is 22663517. The reversal of 22663492 is 29436622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6791236 + 15872256 = 2606^2 + 3984^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367 + ... + 6742.

It is an arithmetic number, because the mean of its divisors is an integer number (3309705).

Almost surely, 222663492 is an apocalyptic number.

It is an amenable number.

22663492 is a deficient number, since it is larger than the sum of its proper divisors (17052968).

22663492 is a wasteful number, since it uses less digits than its factorization.

22663492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910 (or 7908 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 22663492 is about 4760.6188673323. The cubic root of 22663492 is about 282.9929451724.

The spelling of 22663492 in words is "twenty-two million, six hundred sixty-three thousand, four hundred ninety-two".

Divisors: 1 2 4 797 1594 3188 7109 14218 28436 5665873 11331746 22663492