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1222000230 = 235114386117
BaseRepresentation
bin100100011010110…
…0011111001100110
310011011102001011210
41020311203321212
510000313001410
6321131412250
742165554613
oct11065437146
93134361153
101222000230
11577872950
122a12b4086
13166228179
14b841950a
1572434220
hex48d63e66

1222000230 has 64 divisors (see below), whose sum is σ = 3273861888. Its totient is φ = 289349760.

The previous prime is 1222000229. The next prime is 1222000261. The reversal of 1222000230 is 320002221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28869 + ... + 57248.

It is an arithmetic number, because the mean of its divisors is an integer number (51154092).

Almost surely, 21222000230 is an apocalyptic number.

1222000230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222000230 is an abundant number, since it is smaller than the sum of its proper divisors (2051861658).

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

1222000230 is a wasteful number, since it uses less digits than its factorization.

1222000230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86181.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1222000230 is about 34957.1198756419. The cubic root of 1222000230 is about 1069.1133744724.

Adding to 1222000230 its reverse (320002221), we get a palindrome (1542002451).

The spelling of 1222000230 in words is "one billion, two hundred twenty-two million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 11 15 22 30 33 43 55 66 86 110 129 165 215 258 330 430 473 645 946 1290 1419 2365 2838 4730 7095 14190 86117 172234 258351 430585 516702 861170 947287 1291755 1894574 2583510 2841861 3703031 4736435 5683722 7406062 9472870 11109093 14209305 18515155 22218186 28418610 37030310 40733341 55545465 81466682 111090930 122200023 203666705 244400046 407333410 611000115 1222000230