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22230046 = 211115023
BaseRepresentation
bin101010011001…
…1010000011110
31112211101220001
41110303100132
521142330141
62112244514
7356644426
oct124632036
945741801
1022230046
1111603843
12754073a
1347b4497
142d49486
151e41a31
hex153341e

22230046 has 4 divisors (see below), whose sum is σ = 33345072. Its totient is φ = 11115022.

The previous prime is 22230023. The next prime is 22230049. The reversal of 22230046 is 64003222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64003222 = 232001611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557510 + ... + 5557513.

It is an arithmetic number, because the mean of its divisors is an integer number (8336268).

Almost surely, 222230046 is an apocalyptic number.

22230046 is a deficient number, since it is larger than the sum of its proper divisors (11115026).

22230046 is a wasteful number, since it uses less digits than its factorization.

22230046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115025.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22230046 is about 4714.8749718312. The cubic root of 22230046 is about 281.1772120446.

Adding to 22230046 its reverse (64003222), we get a palindrome (86233268).

The spelling of 22230046 in words is "twenty-two million, two hundred thirty thousand, forty-six".

Divisors: 1 2 11115023 22230046