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22030230 = 2351076863
BaseRepresentation
bin101010000001…
…0011110010110
31112110020210110
41110002132112
521114431410
62104103450
7355153035
oct124023626
945406713
1022030230
1111487702
127464b86
134744551
142cd671c
151e02720
hex1502796

22030230 has 32 divisors (see below), whose sum is σ = 53374464. Its totient is φ = 5818976.

The previous prime is 22030213. The next prime is 22030231. The reversal of 22030230 is 3203022.

Adding to 22030230 its reverse (3203022), we get a palindrome (25233252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 222 + ... + 6641.

It is an arithmetic number, because the mean of its divisors is an integer number (1667952).

Almost surely, 222030230 is an apocalyptic number.

22030230 is an abundant number, since it is smaller than the sum of its proper divisors (31344234).

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

22030230 is a wasteful number, since it uses less digits than its factorization.

22030230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 22030230 is about 4693.6371823992. The cubic root of 22030230 is about 280.3322162183.

The spelling of 22030230 in words is "twenty-two million, thirty thousand, two hundred thirty".