Search a number
-
+
22430822 = 211215411
BaseRepresentation
bin101010110010…
…0010001100110
31120012121022012
41111210101212
521220241242
62120434222
7361441661
oct125442146
946177265
1022430822
1111730677
127618972
13485499b
142d9c6d8
151e81282
hex1564466

22430822 has 4 divisors (see below), whose sum is σ = 33646236. Its totient is φ = 11215410.

The previous prime is 22430789. The next prime is 22430831. The reversal of 22430822 is 22803422.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5607704 + ... + 5607707.

It is an arithmetic number, because the mean of its divisors is an integer number (8411559).

Almost surely, 222430822 is an apocalyptic number.

22430822 is a deficient number, since it is larger than the sum of its proper divisors (11215414).

22430822 is a wasteful number, since it uses less digits than its factorization.

22430822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215413.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22430822 is about 4736.1188751973. The cubic root of 22430822 is about 282.0211827892.

The spelling of 22430822 in words is "twenty-two million, four hundred thirty thousand, eight hundred twenty-two".

Divisors: 1 2 11215411 22430822