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BaseRepresentation
bin101010011000…
…1100101111110
31112211001112121
41110301211332
521142120410
62112153154
7356615521
oct124614576
945731477
1022223230
11115a9707
1275387ba
1347b1353
142d46bb8
151e3e9da
hex153197e

22223230 has 32 divisors (see below), whose sum is σ = 41640480. Its totient is φ = 8532480.

The previous prime is 22223219. The next prime is 22223231. The reversal of 22223230 is 3232222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27066 + ... + 27874.

It is an arithmetic number, because the mean of its divisors is an integer number (1301265).

Almost surely, 222223230 is an apocalyptic number.

22223230 is a deficient number, since it is larger than the sum of its proper divisors (19417250).

22223230 is a wasteful number, since it uses less digits than its factorization.

22223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22223230 is about 4714.1520976736. The cubic root of 22223230 is about 281.1484716665.

Adding to 22223230 its reverse (3232222), we get a palindrome (25455452).

The spelling of 22223230 in words is "twenty-two million, two hundred twenty-three thousand, two hundred thirty".