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422230920 = 233519185189
BaseRepresentation
bin11001001010101…
…011101110001000
31002102111112221020
4121022223232020
51331042342140
6105521512440
713314621636
oct3112535610
91072445836
10422230920
111a737a381
12b94a2720
13696262a7
1440110356
15271056d0
hex192abb88

422230920 has 64 divisors (see below), whose sum is σ = 1333368000. Its totient is φ = 106668288.

The previous prime is 422230891. The next prime is 422230951. The reversal of 422230920 is 29032224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90315 + ... + 94874.

It is an arithmetic number, because the mean of its divisors is an integer number (20833875).

Almost surely, 2422230920 is an apocalyptic number.

422230920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422230920 is an abundant number, since it is smaller than the sum of its proper divisors (911137080).

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

422230920 is a wasteful number, since it uses less digits than its factorization.

422230920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185222 (or 185218 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 422230920 is about 20548.2583203541. The cubic root of 422230920 is about 750.2108562695.

The spelling of 422230920 in words is "four hundred twenty-two million, two hundred thirty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 185189 370378 555567 740756 925945 1111134 1481512 1851890 2222268 2777835 3518591 3703780 4444536 5555670 7037182 7407560 10555773 11111340 14074364 17592955 21111546 22222680 28148728 35185910 42223092 52778865 70371820 84446184 105557730 140743640 211115460 422230920