Search a number
-
+
22247024 = 241973181
BaseRepresentation
bin101010011011…
…1011001110000
31112212021011212
41110313121300
521143401044
62112455252
7360045062
oct124673160
945767155
1022247024
1111615578
12754a528
1347bc127
142d51732
151e46a9e
hex1537670

22247024 has 20 divisors (see below), whose sum is σ = 45372840. Its totient is φ = 10537920.

The previous prime is 22247023. The next prime is 22247053. The reversal of 22247024 is 42074222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22247021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36287 + ... + 36894.

It is an arithmetic number, because the mean of its divisors is an integer number (2268642).

Almost surely, 222247024 is an apocalyptic number.

It is an amenable number.

22247024 is an abundant number, since it is smaller than the sum of its proper divisors (23125816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22247024 is a wasteful number, since it uses less digits than its factorization.

22247024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73208 (or 73202 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 22247024 is about 4716.6751001102. The cubic root of 22247024 is about 281.2487760276.

The spelling of 22247024 in words is "twenty-two million, two hundred forty-seven thousand, twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 73181 146362 292724 585448 1170896 1390439 2780878 5561756 11123512 22247024